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 -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:39:08,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:39:08,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:39:08,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:39:08,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:39:08,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:39:08,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:39:08,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:39:08,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:39:08,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:39:08,339 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:39:08,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:39:08,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:39:08,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:39:08,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:39:08,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:39:08,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:39:08,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:39:08,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:39:08,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:39:08,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:39:08,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:39:08,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:39:08,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:39:08,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 10:39:08,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:39:08,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:39:08,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:39:08,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:39:08,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:39:08,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:39:08,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:39:08,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:39:08,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:39:08,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:39:08,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:39:08,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:39:08,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:39:08,415 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:39:08,416 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:39:08,417 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:39:08,418 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl [2019-08-05 10:39:08,418 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl' [2019-08-05 10:39:08,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:39:08,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:39:08,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:39:08,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:39:08,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:39:08,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:39:08" (1/1) ... [2019-08-05 10:39:08,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:39:08" (1/1) ... [2019-08-05 10:39:08,491 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:39:08,492 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:39:08,492 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:39:08,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:39:08,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:39:08,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:39:08,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:39:08,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:39:08" (1/1) ... [2019-08-05 10:39:08,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:39:08" (1/1) ... [2019-08-05 10:39:08,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:39:08" (1/1) ... [2019-08-05 10:39:08,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:39:08" (1/1) ... [2019-08-05 10:39:08,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:39:08" (1/1) ... [2019-08-05 10:39:08,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:39:08" (1/1) ... [2019-08-05 10:39:08,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:39:08" (1/1) ... [2019-08-05 10:39:08,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:39:08,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:39:08,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:39:08,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:39:08,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:39:08" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 10:39:08,602 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:39:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:39:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:39:08,853 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:39:08,853 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:39:08,854 INFO L202 PluginConnector]: Adding new model ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:39:08 BoogieIcfgContainer [2019-08-05 10:39:08,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:39:08,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:39:08,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:39:08,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:39:08,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:39:08" (1/2) ... [2019-08-05 10:39:08,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23663dc6 and model type ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:39:08, skipping insertion in model container [2019-08-05 10:39:08,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:39:08" (2/2) ... [2019-08-05 10:39:08,862 INFO L109 eAbstractionObserver]: Analyzing ICFG ArrayInit01.bpl [2019-08-05 10:39:08,872 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:39:08,878 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:39:08,895 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:39:08,926 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:39:08,927 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:39:08,927 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:39:08,927 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:39:08,927 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:39:08,927 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:39:08,928 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:39:08,928 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:39:08,928 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:39:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-08-05 10:39:08,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 10:39:08,950 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:08,951 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 10:39:08,953 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:08,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:08,960 INFO L82 PathProgramCache]: Analyzing trace with hash 29984, now seen corresponding path program 1 times [2019-08-05 10:39:09,011 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:09,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-08-05 10:39:09,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:09,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:09,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:39:09,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:39:09,120 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:39:09,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:39:09,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:39:09,138 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2019-08-05 10:39:09,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:09,165 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2019-08-05 10:39:09,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:39:09,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-05 10:39:09,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:09,182 INFO L225 Difference]: With dead ends: 6 [2019-08-05 10:39:09,182 INFO L226 Difference]: Without dead ends: 5 [2019-08-05 10:39:09,184 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:39:09,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-08-05 10:39:09,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-08-05 10:39:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-08-05 10:39:09,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-08-05 10:39:09,235 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-08-05 10:39:09,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:09,236 INFO L475 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-08-05 10:39:09,236 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:39:09,240 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-08-05 10:39:09,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:39:09,241 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:09,242 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:39:09,242 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:09,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:09,246 INFO L82 PathProgramCache]: Analyzing trace with hash 927558, now seen corresponding path program 1 times [2019-08-05 10:39:09,248 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:09,290 WARN L254 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 7 conjunts are in the unsatisfiable core [2019-08-05 10:39:09,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:09,466 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:09,468 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:09,557 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:09,559 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-05 10:39:09,560 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:09,636 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:09,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-05 10:39:09,638 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 10:39:09,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 10:39:09,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:39:09,639 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 5 states. [2019-08-05 10:39:09,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:09,739 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-08-05 10:39:09,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 10:39:09,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2019-08-05 10:39:09,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:09,741 INFO L225 Difference]: With dead ends: 7 [2019-08-05 10:39:09,741 INFO L226 Difference]: Without dead ends: 6 [2019-08-05 10:39:09,743 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:39:09,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-08-05 10:39:09,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-08-05 10:39:09,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-08-05 10:39:09,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-08-05 10:39:09,746 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-08-05 10:39:09,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:09,746 INFO L475 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-08-05 10:39:09,746 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 10:39:09,746 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-08-05 10:39:09,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-08-05 10:39:09,747 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:09,747 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2019-08-05 10:39:09,747 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:09,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:09,748 INFO L82 PathProgramCache]: Analyzing trace with hash 28752352, now seen corresponding path program 2 times [2019-08-05 10:39:09,749 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:09,773 WARN L254 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 11 conjunts are in the unsatisfiable core [2019-08-05 10:39:09,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:09,812 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:09,812 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:09,828 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:09,828 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:09,829 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:09,918 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:09,918 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:09,940 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:09,941 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:09,941 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:10,136 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:10,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-08-05 10:39:10,137 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-08-05 10:39:10,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-08-05 10:39:10,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:39:10,138 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 6 states. [2019-08-05 10:39:10,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:10,249 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-08-05 10:39:10,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-08-05 10:39:10,250 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2019-08-05 10:39:10,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:10,250 INFO L225 Difference]: With dead ends: 8 [2019-08-05 10:39:10,251 INFO L226 Difference]: Without dead ends: 7 [2019-08-05 10:39:10,252 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-08-05 10:39:10,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-08-05 10:39:10,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-08-05 10:39:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 10:39:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-05 10:39:10,254 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2019-08-05 10:39:10,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:10,254 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-05 10:39:10,254 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-08-05 10:39:10,255 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-05 10:39:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:39:10,255 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:10,255 INFO L399 BasicCegarLoop]: trace histogram [3, 1, 1, 1] [2019-08-05 10:39:10,256 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:10,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:10,256 INFO L82 PathProgramCache]: Analyzing trace with hash 891320966, now seen corresponding path program 3 times [2019-08-05 10:39:10,257 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:10,282 WARN L254 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 14 conjunts are in the unsatisfiable core [2019-08-05 10:39:10,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:10,323 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:10,323 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:10,337 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:10,337 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:10,338 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:10,451 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:10,452 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:10,524 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:10,524 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:10,525 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:10,580 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:10,582 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:10,606 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:10,606 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:10,606 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:10,772 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:10,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-08-05 10:39:10,773 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-08-05 10:39:10,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-08-05 10:39:10,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-08-05 10:39:10,774 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 7 states. [2019-08-05 10:39:10,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:10,872 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2019-08-05 10:39:10,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-08-05 10:39:10,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2019-08-05 10:39:10,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:10,874 INFO L225 Difference]: With dead ends: 9 [2019-08-05 10:39:10,874 INFO L226 Difference]: Without dead ends: 8 [2019-08-05 10:39:10,875 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-08-05 10:39:10,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-08-05 10:39:10,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-08-05 10:39:10,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-08-05 10:39:10,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-08-05 10:39:10,878 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2019-08-05 10:39:10,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:10,878 INFO L475 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-08-05 10:39:10,879 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-08-05 10:39:10,879 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-08-05 10:39:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-08-05 10:39:10,879 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:10,879 INFO L399 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2019-08-05 10:39:10,880 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:10,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:10,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1861144224, now seen corresponding path program 4 times [2019-08-05 10:39:10,881 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:10,916 WARN L254 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 17 conjunts are in the unsatisfiable core [2019-08-05 10:39:10,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:10,949 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:10,949 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:10,957 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:10,958 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:10,958 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:10,976 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:10,977 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:10,999 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:11,000 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,000 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:11,027 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:11,028 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,039 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:11,040 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,040 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:11,062 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:11,063 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,206 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-08-05 10:39:11,207 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:11,207 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,207 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:11,391 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:11,391 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:11,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-08-05 10:39:11,392 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-08-05 10:39:11,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-08-05 10:39:11,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-08-05 10:39:11,393 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 8 states. [2019-08-05 10:39:11,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:11,477 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-08-05 10:39:11,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-08-05 10:39:11,480 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 7 [2019-08-05 10:39:11,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:11,481 INFO L225 Difference]: With dead ends: 10 [2019-08-05 10:39:11,481 INFO L226 Difference]: Without dead ends: 9 [2019-08-05 10:39:11,482 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-08-05 10:39:11,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-08-05 10:39:11,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-08-05 10:39:11,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-08-05 10:39:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-08-05 10:39:11,485 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2019-08-05 10:39:11,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:11,485 INFO L475 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-08-05 10:39:11,485 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-08-05 10:39:11,485 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-08-05 10:39:11,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-08-05 10:39:11,486 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:11,486 INFO L399 BasicCegarLoop]: trace histogram [5, 1, 1, 1] [2019-08-05 10:39:11,487 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:11,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:11,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1860894150, now seen corresponding path program 5 times [2019-08-05 10:39:11,488 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:11,533 WARN L254 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 20 conjunts are in the unsatisfiable core [2019-08-05 10:39:11,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:11,595 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:11,596 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,602 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:11,602 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,603 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:11,648 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:11,649 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,671 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:11,671 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,672 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:11,703 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:11,704 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,729 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:11,729 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,730 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:11,764 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:11,765 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,776 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:11,776 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,777 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:11,823 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:11,824 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,859 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:11,859 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:11,860 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:11,921 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:11,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-08-05 10:39:11,922 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-08-05 10:39:11,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-08-05 10:39:11,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-08-05 10:39:11,923 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 9 states. [2019-08-05 10:39:12,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:12,094 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-08-05 10:39:12,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-08-05 10:39:12,094 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 8 [2019-08-05 10:39:12,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:12,095 INFO L225 Difference]: With dead ends: 11 [2019-08-05 10:39:12,095 INFO L226 Difference]: Without dead ends: 10 [2019-08-05 10:39:12,096 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-08-05 10:39:12,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-08-05 10:39:12,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-08-05 10:39:12,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-08-05 10:39:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-08-05 10:39:12,098 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-08-05 10:39:12,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:12,098 INFO L475 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-08-05 10:39:12,098 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-08-05 10:39:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-08-05 10:39:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-08-05 10:39:12,099 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:12,099 INFO L399 BasicCegarLoop]: trace histogram [6, 1, 1, 1] [2019-08-05 10:39:12,099 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:12,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:12,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1853141856, now seen corresponding path program 6 times [2019-08-05 10:39:12,104 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:12,152 WARN L254 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 23 conjunts are in the unsatisfiable core [2019-08-05 10:39:12,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:12,191 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:12,191 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:12,210 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:12,211 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:12,211 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:12,258 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:12,259 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:12,273 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:12,274 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:12,274 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:12,325 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:12,326 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:12,368 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:12,368 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:12,369 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:12,407 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:12,408 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:12,416 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:12,417 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:12,417 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:12,474 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:12,475 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:12,502 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:12,503 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:12,503 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:12,645 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-08-05 10:39:12,684 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:12,685 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:12,708 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:12,709 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:12,709 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:12,776 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:12,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-08-05 10:39:12,777 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-08-05 10:39:12,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-08-05 10:39:12,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-08-05 10:39:12,778 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 10 states. [2019-08-05 10:39:12,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:12,958 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-08-05 10:39:12,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-08-05 10:39:12,958 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2019-08-05 10:39:12,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:12,959 INFO L225 Difference]: With dead ends: 12 [2019-08-05 10:39:12,959 INFO L226 Difference]: Without dead ends: 11 [2019-08-05 10:39:12,960 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-08-05 10:39:12,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-08-05 10:39:12,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-08-05 10:39:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-08-05 10:39:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-08-05 10:39:12,962 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2019-08-05 10:39:12,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:12,963 INFO L475 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-08-05 10:39:12,963 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-08-05 10:39:12,963 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-08-05 10:39:12,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-08-05 10:39:12,963 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:12,963 INFO L399 BasicCegarLoop]: trace histogram [7, 1, 1, 1] [2019-08-05 10:39:12,964 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:12,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:12,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1612820742, now seen corresponding path program 7 times [2019-08-05 10:39:12,965 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:13,015 WARN L254 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 26 conjunts are in the unsatisfiable core [2019-08-05 10:39:13,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:13,076 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:13,076 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,094 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:13,095 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,095 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:13,115 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:13,115 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,128 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:13,129 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,129 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:13,197 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:13,198 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,229 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:13,229 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,229 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:13,250 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:13,251 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,262 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:13,263 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,264 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:13,294 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:13,295 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,310 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:13,310 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,311 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:13,347 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:13,347 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,366 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:13,367 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,367 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:13,397 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:13,399 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,429 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:13,430 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,430 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:13,557 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:13,558 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:13,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-08-05 10:39:13,559 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-08-05 10:39:13,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-08-05 10:39:13,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-08-05 10:39:13,560 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 11 states. [2019-08-05 10:39:13,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:13,726 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2019-08-05 10:39:13,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-08-05 10:39:13,727 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 10 [2019-08-05 10:39:13,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:13,728 INFO L225 Difference]: With dead ends: 13 [2019-08-05 10:39:13,729 INFO L226 Difference]: Without dead ends: 12 [2019-08-05 10:39:13,729 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-08-05 10:39:13,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-08-05 10:39:13,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-08-05 10:39:13,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-08-05 10:39:13,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-08-05 10:39:13,733 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2019-08-05 10:39:13,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:13,733 INFO L475 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-08-05 10:39:13,733 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-08-05 10:39:13,734 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-08-05 10:39:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-08-05 10:39:13,734 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:13,734 INFO L399 BasicCegarLoop]: trace histogram [8, 1, 1, 1] [2019-08-05 10:39:13,735 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:13,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:13,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1542166496, now seen corresponding path program 8 times [2019-08-05 10:39:13,736 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:13,798 WARN L254 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 29 conjunts are in the unsatisfiable core [2019-08-05 10:39:13,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:13,838 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:13,838 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,863 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:13,863 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,864 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:13,904 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:13,905 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,910 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:13,910 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,910 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:13,938 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:13,939 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,950 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:13,951 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,951 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:13,968 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:13,969 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,993 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:13,994 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:13,994 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:14,022 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:14,023 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,038 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:14,038 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,038 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:14,062 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:14,063 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,079 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:14,080 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,080 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:14,116 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:14,117 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,134 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:14,134 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,135 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:14,174 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:14,175 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,218 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:14,219 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,219 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:14,458 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:14,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-08-05 10:39:14,459 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-08-05 10:39:14,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-08-05 10:39:14,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-08-05 10:39:14,460 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 12 states. [2019-08-05 10:39:14,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:14,611 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2019-08-05 10:39:14,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-08-05 10:39:14,611 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 11 [2019-08-05 10:39:14,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:14,612 INFO L225 Difference]: With dead ends: 14 [2019-08-05 10:39:14,612 INFO L226 Difference]: Without dead ends: 13 [2019-08-05 10:39:14,613 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2019-08-05 10:39:14,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-08-05 10:39:14,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-08-05 10:39:14,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-08-05 10:39:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-08-05 10:39:14,616 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2019-08-05 10:39:14,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:14,616 INFO L475 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-08-05 10:39:14,616 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-08-05 10:39:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-08-05 10:39:14,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-08-05 10:39:14,617 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:14,617 INFO L399 BasicCegarLoop]: trace histogram [9, 1, 1, 1] [2019-08-05 10:39:14,617 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:14,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:14,617 INFO L82 PathProgramCache]: Analyzing trace with hash -562523066, now seen corresponding path program 9 times [2019-08-05 10:39:14,619 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:14,680 WARN L254 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 32 conjunts are in the unsatisfiable core [2019-08-05 10:39:14,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:14,753 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:14,753 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,764 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:14,764 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,764 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:14,779 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:14,780 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,785 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:14,785 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,786 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:14,798 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:14,798 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,819 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:14,819 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,820 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:14,837 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:14,838 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,851 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:14,851 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,851 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:14,890 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:14,891 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,907 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:14,907 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,908 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:14,931 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:14,932 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,959 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:14,960 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:14,960 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:15,012 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:15,013 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:15,035 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:15,036 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:15,036 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:15,088 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:15,089 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:15,104 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:15,105 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:15,105 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:15,178 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:15,179 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:15,198 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:15,199 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:15,199 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:15,396 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:15,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2019-08-05 10:39:15,396 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-08-05 10:39:15,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-08-05 10:39:15,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-08-05 10:39:15,397 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 13 states. [2019-08-05 10:39:15,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:15,772 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2019-08-05 10:39:15,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-08-05 10:39:15,773 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 12 [2019-08-05 10:39:15,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:15,774 INFO L225 Difference]: With dead ends: 15 [2019-08-05 10:39:15,774 INFO L226 Difference]: Without dead ends: 14 [2019-08-05 10:39:15,775 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2019-08-05 10:39:15,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-08-05 10:39:15,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-08-05 10:39:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-08-05 10:39:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2019-08-05 10:39:15,778 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2019-08-05 10:39:15,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:15,778 INFO L475 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2019-08-05 10:39:15,778 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-08-05 10:39:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2019-08-05 10:39:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-08-05 10:39:15,779 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:15,779 INFO L399 BasicCegarLoop]: trace histogram [10, 1, 1, 1] [2019-08-05 10:39:15,779 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:15,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:15,779 INFO L82 PathProgramCache]: Analyzing trace with hash -258347808, now seen corresponding path program 10 times [2019-08-05 10:39:15,780 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:15,841 WARN L254 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 35 conjunts are in the unsatisfiable core [2019-08-05 10:39:15,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:15,888 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:15,888 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:15,891 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:15,891 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:15,891 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:15,915 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:15,915 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:15,923 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:15,923 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:15,923 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:15,958 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:15,959 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:15,969 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:15,970 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:15,970 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:15,996 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:15,996 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,006 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:16,007 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,007 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:16,035 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:16,036 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,078 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:16,079 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,079 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:16,112 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:16,113 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,133 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:16,134 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,134 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:16,164 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:16,165 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,183 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:16,184 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,184 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:16,213 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:16,215 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,234 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:16,234 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,234 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:16,340 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:16,341 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,358 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:16,358 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,358 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:16,402 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:16,404 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,523 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2019-08-05 10:39:16,524 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:16,524 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:16,524 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:16,627 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:16,627 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:16,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2019-08-05 10:39:16,628 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-08-05 10:39:16,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-08-05 10:39:16,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2019-08-05 10:39:16,628 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 14 states. [2019-08-05 10:39:16,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:16,849 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-08-05 10:39:16,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-08-05 10:39:16,850 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2019-08-05 10:39:16,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:16,851 INFO L225 Difference]: With dead ends: 16 [2019-08-05 10:39:16,851 INFO L226 Difference]: Without dead ends: 15 [2019-08-05 10:39:16,852 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-08-05 10:39:16,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-08-05 10:39:16,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-08-05 10:39:16,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-08-05 10:39:16,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2019-08-05 10:39:16,855 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2019-08-05 10:39:16,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:16,855 INFO L475 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2019-08-05 10:39:16,855 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-08-05 10:39:16,855 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2019-08-05 10:39:16,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-08-05 10:39:16,856 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:16,856 INFO L399 BasicCegarLoop]: trace histogram [11, 1, 1, 1] [2019-08-05 10:39:16,856 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:16,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:16,856 INFO L82 PathProgramCache]: Analyzing trace with hash 581150598, now seen corresponding path program 11 times [2019-08-05 10:39:16,857 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:16,915 WARN L254 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 38 conjunts are in the unsatisfiable core [2019-08-05 10:39:16,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:17,011 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:17,012 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,065 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:17,065 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,065 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:17,079 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:17,079 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,091 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:17,092 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,092 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:17,160 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:17,160 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,187 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:17,187 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,187 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:17,216 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:17,216 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,231 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:17,239 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,239 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:17,333 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:17,334 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,345 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:17,346 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,346 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:17,376 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:17,377 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,403 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:17,404 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,404 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:17,433 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:17,434 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,449 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:17,449 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,450 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:17,483 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:17,484 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:17,502 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,502 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:17,536 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:17,537 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,553 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:17,554 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,554 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:17,616 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:17,617 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,646 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:17,647 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,647 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:17,721 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:17,722 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,745 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:17,745 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:17,746 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:17,840 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:17,841 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:17,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2019-08-05 10:39:17,841 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-08-05 10:39:17,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-08-05 10:39:17,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2019-08-05 10:39:17,842 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 15 states. [2019-08-05 10:39:18,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:18,108 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2019-08-05 10:39:18,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-08-05 10:39:18,108 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 14 [2019-08-05 10:39:18,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:18,109 INFO L225 Difference]: With dead ends: 17 [2019-08-05 10:39:18,109 INFO L226 Difference]: Without dead ends: 16 [2019-08-05 10:39:18,110 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2019-08-05 10:39:18,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-08-05 10:39:18,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-08-05 10:39:18,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-08-05 10:39:18,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-08-05 10:39:18,112 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2019-08-05 10:39:18,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:18,112 INFO L475 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-08-05 10:39:18,112 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-08-05 10:39:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-08-05 10:39:18,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-08-05 10:39:18,113 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:18,113 INFO L399 BasicCegarLoop]: trace histogram [12, 1, 1, 1] [2019-08-05 10:39:18,113 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:18,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:18,113 INFO L82 PathProgramCache]: Analyzing trace with hash 835797408, now seen corresponding path program 12 times [2019-08-05 10:39:18,114 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:18,176 WARN L254 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 41 conjunts are in the unsatisfiable core [2019-08-05 10:39:18,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:18,244 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:18,244 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,263 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:18,264 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,264 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:18,270 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:18,271 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,276 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:18,276 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,276 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:18,296 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:18,297 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,305 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:18,306 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,306 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:18,321 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:18,322 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,330 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:18,331 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,331 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:18,350 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:18,351 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,362 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:18,362 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,362 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:18,382 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:18,382 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,400 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:18,400 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,401 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:18,423 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:18,424 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,441 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:18,441 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,442 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:18,475 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:18,475 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,494 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:18,494 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,495 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:18,530 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:18,531 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,551 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:18,552 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,552 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:18,596 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:18,597 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,620 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:18,621 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,621 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:18,668 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:18,669 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,693 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:18,693 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:18,694 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:18,771 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:18,772 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:19,003 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-08-05 10:39:19,003 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:19,004 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:19,004 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:19,102 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:19,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2019-08-05 10:39:19,102 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-08-05 10:39:19,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-08-05 10:39:19,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2019-08-05 10:39:19,103 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 16 states. [2019-08-05 10:39:19,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:19,479 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-08-05 10:39:19,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-08-05 10:39:19,479 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 15 [2019-08-05 10:39:19,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:19,480 INFO L225 Difference]: With dead ends: 18 [2019-08-05 10:39:19,481 INFO L226 Difference]: Without dead ends: 17 [2019-08-05 10:39:19,481 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2019-08-05 10:39:19,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-08-05 10:39:19,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-08-05 10:39:19,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-08-05 10:39:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2019-08-05 10:39:19,484 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2019-08-05 10:39:19,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:19,484 INFO L475 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2019-08-05 10:39:19,484 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-08-05 10:39:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2019-08-05 10:39:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-08-05 10:39:19,485 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:19,485 INFO L399 BasicCegarLoop]: trace histogram [13, 1, 1, 1] [2019-08-05 10:39:19,485 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:19,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:19,485 INFO L82 PathProgramCache]: Analyzing trace with hash 139913926, now seen corresponding path program 13 times [2019-08-05 10:39:19,486 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:19,555 WARN L254 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 44 conjunts are in the unsatisfiable core [2019-08-05 10:39:19,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:19,636 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:19,636 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:19,701 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:19,702 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:19,702 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:19,859 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:19,859 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:19,925 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:19,925 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:19,925 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:19,940 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:19,940 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:19,945 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:19,946 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:19,946 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:19,961 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:19,962 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:19,970 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:19,970 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:19,970 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:19,987 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:19,988 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,004 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:20,004 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,004 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:20,025 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:20,025 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,069 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:20,070 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,070 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:20,097 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:20,097 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,112 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:20,112 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,112 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:20,171 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:20,172 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,190 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:20,191 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,191 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:20,223 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:20,223 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,243 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:20,243 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,243 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:20,279 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:20,279 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,301 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:20,302 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,302 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:20,351 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:20,352 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,385 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:20,386 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,386 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:20,476 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:20,477 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,805 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-08-05 10:39:20,806 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:20,806 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:20,807 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:21,488 WARN L188 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-08-05 10:39:21,536 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:21,537 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:21,913 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-08-05 10:39:21,913 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:21,913 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:21,914 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:22,183 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:22,183 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:22,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2019-08-05 10:39:22,184 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-08-05 10:39:22,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-08-05 10:39:22,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2019-08-05 10:39:22,184 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 17 states. [2019-08-05 10:39:22,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:22,701 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2019-08-05 10:39:22,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-08-05 10:39:22,702 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2019-08-05 10:39:22,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:22,703 INFO L225 Difference]: With dead ends: 19 [2019-08-05 10:39:22,703 INFO L226 Difference]: Without dead ends: 18 [2019-08-05 10:39:22,703 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2019-08-05 10:39:22,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-08-05 10:39:22,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-08-05 10:39:22,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-08-05 10:39:22,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-08-05 10:39:22,706 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2019-08-05 10:39:22,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:22,707 INFO L475 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-08-05 10:39:22,707 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-08-05 10:39:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-08-05 10:39:22,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-08-05 10:39:22,707 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:22,708 INFO L399 BasicCegarLoop]: trace histogram [14, 1, 1, 1] [2019-08-05 10:39:22,708 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:22,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:22,708 INFO L82 PathProgramCache]: Analyzing trace with hash 42362464, now seen corresponding path program 14 times [2019-08-05 10:39:22,709 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:22,820 WARN L254 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 47 conjunts are in the unsatisfiable core [2019-08-05 10:39:22,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:22,908 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:22,908 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:22,975 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:22,975 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:22,975 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:23,012 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:23,012 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,017 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:23,017 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,017 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:23,030 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:23,031 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,037 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:23,037 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,037 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:23,053 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:23,053 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,060 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:23,061 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,061 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:23,107 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:23,108 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,228 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-08-05 10:39:23,229 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:23,229 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,229 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:23,248 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:23,248 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,304 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:23,304 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,305 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:23,330 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:23,331 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,350 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:23,350 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,350 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:23,379 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:23,380 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,396 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:23,397 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,397 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:23,451 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:23,452 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,472 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:23,473 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,473 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:23,509 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:23,510 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,530 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:23,530 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,531 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:23,578 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:23,579 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,610 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:23,611 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,611 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:23,654 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:23,655 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,682 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:23,683 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,683 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:23,732 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:23,733 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,766 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:23,766 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,766 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:23,832 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:39:23,833 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,873 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:23,874 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:23,874 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:39:24,012 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:24,013 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:24,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2019-08-05 10:39:24,013 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-08-05 10:39:24,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-08-05 10:39:24,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2019-08-05 10:39:24,014 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 18 states. [2019-08-05 10:39:24,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:24,420 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2019-08-05 10:39:24,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-08-05 10:39:24,421 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 17 [2019-08-05 10:39:24,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:24,421 INFO L225 Difference]: With dead ends: 20 [2019-08-05 10:39:24,422 INFO L226 Difference]: Without dead ends: 19 [2019-08-05 10:39:24,422 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2019-08-05 10:39:24,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-08-05 10:39:24,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-08-05 10:39:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-08-05 10:39:24,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-08-05 10:39:24,425 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2019-08-05 10:39:24,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:24,425 INFO L475 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-08-05 10:39:24,426 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-08-05 10:39:24,426 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-08-05 10:39:24,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-08-05 10:39:24,426 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:24,426 INFO L399 BasicCegarLoop]: trace histogram [15, 1, 1, 1] [2019-08-05 10:39:24,427 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:24,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:24,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1313234438, now seen corresponding path program 15 times [2019-08-05 10:39:24,428 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:24,497 WARN L254 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 50 conjunts are in the unsatisfiable core [2019-08-05 10:39:24,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:24,591 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:24,592 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,607 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:24,608 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,608 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:24,628 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:24,629 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,638 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:24,638 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,638 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:24,692 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:24,692 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,804 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-08-05 10:39:24,804 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:24,804 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,804 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:24,846 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:24,846 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,854 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:24,855 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,855 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:24,871 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:24,872 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,881 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:24,881 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,881 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:24,908 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:24,909 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,929 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:24,930 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,930 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:24,955 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:24,956 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,969 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:24,970 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:24,970 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:24,995 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:24,996 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,011 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:25,012 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,012 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:25,043 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:25,043 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,061 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:25,062 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,062 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:25,123 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:25,124 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,359 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2019-08-05 10:39:25,360 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:25,360 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,360 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:25,403 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:25,404 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,427 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:25,428 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,428 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:25,472 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:25,473 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,504 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:25,504 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,504 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:25,557 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:25,558 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,588 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:25,588 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,589 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:25,650 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:39:25,651 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,683 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:25,684 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,684 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:39:25,745 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:39:25,746 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,781 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:25,781 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:25,782 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:39:25,912 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:25,912 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:25,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2019-08-05 10:39:25,913 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-08-05 10:39:25,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-08-05 10:39:25,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2019-08-05 10:39:25,913 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 19 states. [2019-08-05 10:39:26,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:26,385 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2019-08-05 10:39:26,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-08-05 10:39:26,385 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 18 [2019-08-05 10:39:26,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:26,386 INFO L225 Difference]: With dead ends: 21 [2019-08-05 10:39:26,386 INFO L226 Difference]: Without dead ends: 20 [2019-08-05 10:39:26,387 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=341, Unknown=0, NotChecked=0, Total=380 [2019-08-05 10:39:26,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-08-05 10:39:26,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-08-05 10:39:26,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-08-05 10:39:26,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-08-05 10:39:26,390 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2019-08-05 10:39:26,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:26,390 INFO L475 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-08-05 10:39:26,390 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-08-05 10:39:26,391 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-08-05 10:39:26,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-08-05 10:39:26,391 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:26,391 INFO L399 BasicCegarLoop]: trace histogram [16, 1, 1, 1] [2019-08-05 10:39:26,391 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:26,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:26,392 INFO L82 PathProgramCache]: Analyzing trace with hash 2055559968, now seen corresponding path program 16 times [2019-08-05 10:39:26,393 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:26,466 WARN L254 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 53 conjunts are in the unsatisfiable core [2019-08-05 10:39:26,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:26,538 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:26,539 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,548 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:26,548 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,548 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:26,560 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:26,561 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,649 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:26,649 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,649 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:26,683 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:26,683 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,689 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:26,689 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,690 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:26,704 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:26,704 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,713 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:26,713 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,713 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:26,755 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:26,755 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,764 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:26,764 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,764 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:26,793 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:26,793 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,808 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:26,808 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,808 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:26,845 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:26,845 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,859 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:26,859 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,860 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:26,915 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:26,916 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,932 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:26,933 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,933 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:26,964 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:26,964 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,984 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:26,984 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:26,985 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:27,023 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:27,024 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,045 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:27,045 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,046 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:27,122 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:27,123 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,145 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:27,146 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,146 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:27,220 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:27,221 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,248 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:27,248 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,249 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:27,300 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:27,300 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,336 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:27,337 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,337 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:27,453 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:39:27,454 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,503 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:27,504 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,504 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:39:27,606 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:39:27,607 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,643 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:27,644 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,644 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:39:27,715 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:39:27,716 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,765 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:27,766 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:27,766 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:39:27,909 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:27,909 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:27,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2019-08-05 10:39:27,910 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-08-05 10:39:27,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-08-05 10:39:27,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2019-08-05 10:39:27,911 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 20 states. [2019-08-05 10:39:28,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:28,463 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2019-08-05 10:39:28,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-08-05 10:39:28,464 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 19 [2019-08-05 10:39:28,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:28,464 INFO L225 Difference]: With dead ends: 22 [2019-08-05 10:39:28,465 INFO L226 Difference]: Without dead ends: 21 [2019-08-05 10:39:28,466 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2019-08-05 10:39:28,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-08-05 10:39:28,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-08-05 10:39:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-08-05 10:39:28,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-08-05 10:39:28,468 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2019-08-05 10:39:28,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:28,469 INFO L475 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-08-05 10:39:28,469 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-08-05 10:39:28,469 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-08-05 10:39:28,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-08-05 10:39:28,469 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:28,470 INFO L399 BasicCegarLoop]: trace histogram [17, 1, 1, 1] [2019-08-05 10:39:28,470 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:28,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:28,470 INFO L82 PathProgramCache]: Analyzing trace with hash -702152378, now seen corresponding path program 17 times [2019-08-05 10:39:28,471 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:28,553 WARN L254 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 56 conjunts are in the unsatisfiable core [2019-08-05 10:39:28,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:28,642 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:28,643 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:28,718 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:28,718 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:28,718 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:28,880 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:28,881 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:28,933 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:28,933 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:28,933 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:28,944 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:28,945 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:28,953 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:28,953 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:28,953 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:28,967 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:28,968 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:28,977 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:28,978 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:28,978 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:29,025 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:29,026 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,037 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:29,037 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,038 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:29,059 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:29,060 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,072 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:29,073 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,073 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:29,136 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:29,137 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,154 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:29,155 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,155 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:29,189 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:29,190 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,208 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:29,208 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,208 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:29,241 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:29,241 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,308 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:29,309 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,309 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:29,343 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:29,344 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,369 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:29,369 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,370 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:29,413 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:29,414 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,436 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:29,436 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,437 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:29,499 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:29,500 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,527 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:29,527 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,527 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:29,574 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:29,575 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,603 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:29,604 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,604 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:29,661 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:39:29,661 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,689 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:29,689 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,690 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:39:29,766 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:39:29,767 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,803 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:29,803 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,804 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:39:29,879 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:39:29,880 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,959 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:29,959 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:29,959 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:39:30,029 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:39:30,029 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:30,079 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:30,079 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:30,080 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:39:30,341 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:30,342 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:30,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2019-08-05 10:39:30,342 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-08-05 10:39:30,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-08-05 10:39:30,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2019-08-05 10:39:30,343 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 21 states. [2019-08-05 10:39:30,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:30,915 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2019-08-05 10:39:30,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-08-05 10:39:30,915 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 20 [2019-08-05 10:39:30,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:30,916 INFO L225 Difference]: With dead ends: 23 [2019-08-05 10:39:30,916 INFO L226 Difference]: Without dead ends: 22 [2019-08-05 10:39:30,917 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=43, Invalid=419, Unknown=0, NotChecked=0, Total=462 [2019-08-05 10:39:30,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-08-05 10:39:30,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-08-05 10:39:30,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-08-05 10:39:30,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2019-08-05 10:39:30,920 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2019-08-05 10:39:30,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:30,921 INFO L475 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2019-08-05 10:39:30,921 INFO L476 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-08-05 10:39:30,921 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2019-08-05 10:39:30,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-08-05 10:39:30,921 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:30,922 INFO L399 BasicCegarLoop]: trace histogram [18, 1, 1, 1] [2019-08-05 10:39:30,922 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:30,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:30,922 INFO L82 PathProgramCache]: Analyzing trace with hash -291889184, now seen corresponding path program 18 times [2019-08-05 10:39:30,923 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:31,015 WARN L254 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 59 conjunts are in the unsatisfiable core [2019-08-05 10:39:31,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:31,112 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:31,112 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,150 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,150 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,150 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:31,162 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:31,162 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,172 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,172 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,172 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:31,183 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:31,183 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,190 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,191 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,191 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:31,205 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:31,206 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,215 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,215 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,216 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:31,253 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:31,254 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,266 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,266 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,266 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:31,286 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:31,286 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,299 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,299 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,299 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:31,323 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:31,324 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,340 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,340 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,340 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:31,368 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:31,369 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,385 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,385 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,386 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:31,421 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:31,421 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,467 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,468 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,468 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:31,504 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:31,504 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,526 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,526 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,527 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:31,563 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:31,563 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,587 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,588 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,588 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:31,632 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:31,633 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,660 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,661 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,661 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:31,716 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:31,717 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,754 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,755 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,755 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:31,826 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:39:31,827 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,857 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,857 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,857 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:39:31,913 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:39:31,913 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,946 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:31,946 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:31,946 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:39:32,008 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:39:32,009 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:32,048 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:32,048 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:32,049 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:39:32,143 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:39:32,144 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:32,198 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:32,199 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:32,199 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:39:32,268 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:39:32,269 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:32,310 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:32,311 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:32,311 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:39:32,497 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:32,497 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:32,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2019-08-05 10:39:32,498 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-08-05 10:39:32,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-08-05 10:39:32,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2019-08-05 10:39:32,498 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 22 states. [2019-08-05 10:39:33,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:33,245 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-08-05 10:39:33,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-08-05 10:39:33,246 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 21 [2019-08-05 10:39:33,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:33,246 INFO L225 Difference]: With dead ends: 24 [2019-08-05 10:39:33,247 INFO L226 Difference]: Without dead ends: 23 [2019-08-05 10:39:33,247 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=461, Unknown=0, NotChecked=0, Total=506 [2019-08-05 10:39:33,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-08-05 10:39:33,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-08-05 10:39:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-08-05 10:39:33,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2019-08-05 10:39:33,250 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2019-08-05 10:39:33,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:33,250 INFO L475 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2019-08-05 10:39:33,250 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-08-05 10:39:33,250 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2019-08-05 10:39:33,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-08-05 10:39:33,251 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:33,251 INFO L399 BasicCegarLoop]: trace histogram [19, 1, 1, 1] [2019-08-05 10:39:33,251 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:33,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:33,252 INFO L82 PathProgramCache]: Analyzing trace with hash -458632058, now seen corresponding path program 19 times [2019-08-05 10:39:33,252 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:33,352 WARN L254 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 62 conjunts are in the unsatisfiable core [2019-08-05 10:39:33,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:33,449 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:33,449 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,524 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:33,524 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,524 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:33,685 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:33,685 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,786 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-08-05 10:39:33,786 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:33,787 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,787 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:33,847 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:33,848 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,855 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:33,855 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,856 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:33,869 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:33,869 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,877 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:33,877 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,878 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:33,894 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:33,894 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,904 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:33,904 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,905 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:33,925 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:33,925 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,937 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:33,938 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,938 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:33,961 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:33,961 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,976 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:33,976 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:33,977 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:34,045 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:34,046 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,070 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:34,070 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,070 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:34,102 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:34,102 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,121 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:34,121 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,121 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:34,171 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:34,172 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,192 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:34,193 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,193 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:34,255 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:34,255 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,278 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:34,278 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,279 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:34,329 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:34,330 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,356 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:34,356 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,356 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:34,403 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:34,404 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,453 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:34,454 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,454 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:34,506 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:39:34,507 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,539 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:34,540 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,540 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:39:34,615 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:39:34,616 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,652 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:34,652 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,652 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:39:34,715 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:39:34,716 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,753 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:34,753 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,754 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:39:34,821 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:39:34,822 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,864 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:34,865 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,866 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:39:34,940 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:39:34,941 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,983 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:34,983 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:34,983 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:39:35,091 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:39:35,092 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:35,305 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-05 10:39:35,305 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:35,306 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:35,306 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:39:35,484 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:35,484 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:35,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2019-08-05 10:39:35,484 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-08-05 10:39:35,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-08-05 10:39:35,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2019-08-05 10:39:35,485 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 23 states. [2019-08-05 10:39:36,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:36,177 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2019-08-05 10:39:36,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-08-05 10:39:36,177 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 22 [2019-08-05 10:39:36,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:36,178 INFO L225 Difference]: With dead ends: 25 [2019-08-05 10:39:36,178 INFO L226 Difference]: Without dead ends: 24 [2019-08-05 10:39:36,179 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=47, Invalid=505, Unknown=0, NotChecked=0, Total=552 [2019-08-05 10:39:36,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-08-05 10:39:36,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-08-05 10:39:36,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-08-05 10:39:36,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-08-05 10:39:36,182 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 22 [2019-08-05 10:39:36,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:36,182 INFO L475 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2019-08-05 10:39:36,182 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-08-05 10:39:36,182 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2019-08-05 10:39:36,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-08-05 10:39:36,183 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:36,183 INFO L399 BasicCegarLoop]: trace histogram [20, 1, 1, 1] [2019-08-05 10:39:36,183 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:36,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:36,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1332693856, now seen corresponding path program 20 times [2019-08-05 10:39:36,184 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:36,299 WARN L254 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 65 conjunts are in the unsatisfiable core [2019-08-05 10:39:36,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:36,393 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:36,394 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:36,465 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:36,465 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:36,465 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:36,631 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:36,632 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:36,731 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:36,732 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:36,732 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:36,938 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:36,939 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,009 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:37,009 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,009 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:37,047 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:37,048 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,055 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:37,056 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,056 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:37,072 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:37,072 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,083 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:37,083 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,084 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:37,105 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:37,105 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,118 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:37,118 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,118 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:37,145 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:37,145 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,160 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:37,160 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,161 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:37,192 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:37,193 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,238 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:37,239 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,239 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:37,272 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:37,272 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,293 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:37,294 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,294 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:37,342 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:37,343 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,364 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:37,365 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,365 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:37,401 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:37,402 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,426 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:37,426 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,426 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:37,467 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:37,468 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,495 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:37,496 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,496 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:37,542 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:37,543 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,584 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:37,584 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,585 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:37,685 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:39:37,686 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,726 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:37,726 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,726 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:39:37,862 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:39:37,863 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,909 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:37,909 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:37,910 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:39:37,998 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:39:37,999 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:38,040 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:38,040 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:38,041 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:39:38,116 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:39:38,117 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:38,165 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:38,165 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:38,166 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:39:38,242 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:39:38,243 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:38,307 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:38,308 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:38,308 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:39:38,395 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:39:38,396 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:38,439 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:38,440 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:38,440 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:39:38,526 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:39:38,527 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:38,600 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:38,601 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:38,601 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:39:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:38,792 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:38,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2019-08-05 10:39:38,793 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-08-05 10:39:38,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-08-05 10:39:38,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2019-08-05 10:39:38,793 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 24 states. [2019-08-05 10:39:39,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:39,628 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-08-05 10:39:39,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-08-05 10:39:39,628 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 23 [2019-08-05 10:39:39,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:39,629 INFO L225 Difference]: With dead ends: 26 [2019-08-05 10:39:39,629 INFO L226 Difference]: Without dead ends: 25 [2019-08-05 10:39:39,630 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=49, Invalid=551, Unknown=0, NotChecked=0, Total=600 [2019-08-05 10:39:39,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-08-05 10:39:39,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-08-05 10:39:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-08-05 10:39:39,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2019-08-05 10:39:39,634 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2019-08-05 10:39:39,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:39,634 INFO L475 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2019-08-05 10:39:39,634 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-08-05 10:39:39,634 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2019-08-05 10:39:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-08-05 10:39:39,635 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:39,635 INFO L399 BasicCegarLoop]: trace histogram [21, 1, 1, 1] [2019-08-05 10:39:39,635 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:39,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:39,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1636161478, now seen corresponding path program 21 times [2019-08-05 10:39:39,636 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:39,762 WARN L254 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 68 conjunts are in the unsatisfiable core [2019-08-05 10:39:39,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:39,840 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:39,841 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:39,891 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:39,892 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:39,892 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:39,906 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:39,906 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:39,912 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:39,912 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:39,912 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:39,926 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:39,927 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:39,933 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:39,934 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:39,934 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:39,947 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:39,948 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:39,956 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:39,956 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:39,956 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:39,980 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:39,981 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:39,991 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:39,991 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:39,992 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:40,011 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:40,012 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,024 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:40,025 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,025 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:40,048 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:40,048 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,062 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:40,063 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,063 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:40,096 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:40,096 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,111 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:40,112 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,112 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:40,142 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:40,143 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,189 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:40,189 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,189 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:40,222 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:40,223 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,244 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:40,245 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,245 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:40,285 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:40,286 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,307 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:40,308 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,308 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:40,351 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:40,351 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,376 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:40,377 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,377 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:40,423 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:40,423 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,452 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:40,453 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,453 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:40,517 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:39:40,517 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,549 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:40,549 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,549 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:39:40,605 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:39:40,606 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,659 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:40,660 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,660 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:39:40,729 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:39:40,730 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,767 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:40,767 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,767 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:39:40,842 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:39:40,843 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,882 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:40,883 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:40,883 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:39:40,978 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:39:40,979 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:41,022 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:41,022 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:41,023 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:39:41,162 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:39:41,163 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:41,211 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:41,211 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:41,212 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:39:41,302 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:39:41,303 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:41,351 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:41,352 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:41,352 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:39:41,468 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:39:41,468 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:41,522 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:41,523 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:41,523 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:39:41,730 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:41,731 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:41,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2019-08-05 10:39:41,731 INFO L454 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-08-05 10:39:41,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-08-05 10:39:41,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2019-08-05 10:39:41,732 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 25 states. [2019-08-05 10:39:42,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:42,881 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2019-08-05 10:39:42,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-08-05 10:39:42,883 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 24 [2019-08-05 10:39:42,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:42,883 INFO L225 Difference]: With dead ends: 27 [2019-08-05 10:39:42,883 INFO L226 Difference]: Without dead ends: 26 [2019-08-05 10:39:42,884 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=51, Invalid=599, Unknown=0, NotChecked=0, Total=650 [2019-08-05 10:39:42,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-08-05 10:39:42,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-08-05 10:39:42,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-08-05 10:39:42,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-08-05 10:39:42,886 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 24 [2019-08-05 10:39:42,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:42,886 INFO L475 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-08-05 10:39:42,886 INFO L476 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-08-05 10:39:42,886 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-08-05 10:39:42,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-08-05 10:39:42,887 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:42,887 INFO L399 BasicCegarLoop]: trace histogram [22, 1, 1, 1] [2019-08-05 10:39:42,887 INFO L418 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:42,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:42,888 INFO L82 PathProgramCache]: Analyzing trace with hash -818603680, now seen corresponding path program 22 times [2019-08-05 10:39:42,888 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:43,033 WARN L254 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 71 conjunts are in the unsatisfiable core [2019-08-05 10:39:43,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:43,122 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:43,122 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,198 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:43,198 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,198 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:43,360 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:43,361 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,407 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:43,408 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,408 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:43,423 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:43,423 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,430 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:43,431 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,431 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:43,479 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:43,479 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,487 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:43,488 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,488 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:43,504 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:43,505 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,517 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:43,517 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,517 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:43,539 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:43,539 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,551 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:43,551 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,552 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:43,574 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:43,575 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,590 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:43,590 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,590 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:43,616 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:43,616 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,633 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:43,633 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,634 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:43,665 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:43,666 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,686 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:43,686 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,686 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:43,721 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:43,722 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,744 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:43,744 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,745 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:43,783 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:43,784 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,807 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:43,807 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,807 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:43,850 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:43,850 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,877 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:43,878 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,878 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:43,922 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:43,923 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,952 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:43,952 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:43,953 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:44,006 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:39:44,006 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,038 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:44,039 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,039 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:39:44,102 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:39:44,103 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,140 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:44,140 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,141 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:39:44,207 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:39:44,208 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,244 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:44,244 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,245 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:39:44,315 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:39:44,316 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,358 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:44,359 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,359 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:39:44,435 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:39:44,436 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,480 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:44,480 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,481 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:39:44,559 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:39:44,559 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,607 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:44,607 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,607 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:39:44,710 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:39:44,712 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,761 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:44,761 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,762 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:39:44,857 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:39:44,858 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,909 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:44,909 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:44,910 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:39:45,012 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:39:45,013 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:45,069 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:45,069 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:45,070 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:39:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:45,320 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:45,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2019-08-05 10:39:45,321 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-08-05 10:39:45,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-08-05 10:39:45,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2019-08-05 10:39:45,321 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 26 states. [2019-08-05 10:39:46,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:46,305 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-08-05 10:39:46,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-08-05 10:39:46,306 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 25 [2019-08-05 10:39:46,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:46,307 INFO L225 Difference]: With dead ends: 28 [2019-08-05 10:39:46,307 INFO L226 Difference]: Without dead ends: 27 [2019-08-05 10:39:46,308 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=53, Invalid=649, Unknown=0, NotChecked=0, Total=702 [2019-08-05 10:39:46,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-08-05 10:39:46,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-08-05 10:39:46,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-08-05 10:39:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2019-08-05 10:39:46,311 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2019-08-05 10:39:46,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:46,311 INFO L475 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2019-08-05 10:39:46,311 INFO L476 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-08-05 10:39:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2019-08-05 10:39:46,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-08-05 10:39:46,312 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:46,312 INFO L399 BasicCegarLoop]: trace histogram [23, 1, 1, 1] [2019-08-05 10:39:46,312 INFO L418 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:46,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:46,313 INFO L82 PathProgramCache]: Analyzing trace with hash 393087750, now seen corresponding path program 23 times [2019-08-05 10:39:46,313 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:46,479 WARN L254 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 74 conjunts are in the unsatisfiable core [2019-08-05 10:39:46,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:46,553 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:46,553 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,567 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:46,567 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,568 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:46,590 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:46,591 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,602 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:46,602 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,602 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:46,616 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:46,616 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,621 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:46,621 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,622 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:46,636 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:46,637 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,644 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:46,645 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,645 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:46,661 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:46,662 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,671 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:46,671 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,671 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:46,692 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:46,692 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,704 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:46,704 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,704 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:46,728 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:46,728 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,743 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:46,744 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,744 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:46,769 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:46,770 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,786 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:46,786 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,786 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:46,834 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:46,834 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,853 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:46,853 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,853 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:46,885 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:46,885 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,906 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:46,907 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,907 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:46,945 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:46,946 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,968 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:46,969 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:46,969 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:47,012 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:47,013 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,039 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:47,039 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,039 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:47,089 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:47,090 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,114 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:47,115 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,115 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:47,168 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:39:47,169 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,198 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:47,198 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,198 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:39:47,257 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:39:47,258 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,293 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:47,294 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,294 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:39:47,355 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:39:47,356 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,394 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:47,394 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,395 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:39:47,463 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:39:47,464 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,503 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:47,503 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,503 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:39:47,573 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:39:47,573 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,617 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:47,617 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,617 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:39:47,703 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:39:47,705 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,753 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:47,754 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,754 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:39:47,880 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:39:47,881 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,943 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:47,944 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:47,944 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:39:48,047 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:39:48,048 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:48,107 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:48,108 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:48,108 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:39:48,233 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:39:48,234 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:48,289 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:48,289 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:48,290 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:39:48,395 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:39:48,396 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:48,582 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-08-05 10:39:48,582 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:48,583 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:48,583 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:39:48,841 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:48,841 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:48,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2019-08-05 10:39:48,841 INFO L454 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-08-05 10:39:48,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-08-05 10:39:48,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2019-08-05 10:39:48,842 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 27 states. [2019-08-05 10:39:49,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:49,939 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2019-08-05 10:39:49,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-08-05 10:39:49,939 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 26 [2019-08-05 10:39:49,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:49,940 INFO L225 Difference]: With dead ends: 29 [2019-08-05 10:39:49,940 INFO L226 Difference]: Without dead ends: 28 [2019-08-05 10:39:49,941 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=55, Invalid=701, Unknown=0, NotChecked=0, Total=756 [2019-08-05 10:39:49,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-08-05 10:39:49,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-08-05 10:39:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-08-05 10:39:49,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2019-08-05 10:39:49,945 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 26 [2019-08-05 10:39:49,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:49,945 INFO L475 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2019-08-05 10:39:49,945 INFO L476 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-08-05 10:39:49,945 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2019-08-05 10:39:49,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-08-05 10:39:49,946 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:49,946 INFO L399 BasicCegarLoop]: trace histogram [24, 1, 1, 1] [2019-08-05 10:39:49,946 INFO L418 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:49,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:49,947 INFO L82 PathProgramCache]: Analyzing trace with hash -699183584, now seen corresponding path program 24 times [2019-08-05 10:39:49,947 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:50,127 WARN L254 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 77 conjunts are in the unsatisfiable core [2019-08-05 10:39:50,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:50,227 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:50,227 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,237 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,237 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,237 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:50,249 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:50,250 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,262 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,262 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,263 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:50,272 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:50,273 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,280 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,280 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,280 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:50,293 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:50,294 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,300 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,301 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,301 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:50,317 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:50,318 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,328 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,328 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,328 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:50,348 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:50,348 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,359 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,360 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,360 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:50,382 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:50,383 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,397 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,397 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,397 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:50,426 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:50,426 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,443 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,443 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,443 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:50,481 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:50,482 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,500 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,501 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,501 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:50,534 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:50,535 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,557 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,557 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,557 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:50,598 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:50,599 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,622 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,623 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,623 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:50,674 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:50,675 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,704 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,705 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,705 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:50,760 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:50,760 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,788 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,789 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,789 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:50,841 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:39:50,842 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,874 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,874 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,875 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:39:50,929 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:39:50,929 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,962 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:50,962 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:50,962 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:39:51,024 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:39:51,025 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:51,061 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:51,061 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:51,062 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:39:51,131 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:39:51,132 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:51,172 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:51,172 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:51,172 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:39:51,245 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:39:51,246 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:51,288 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:51,289 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:51,289 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:39:51,371 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:39:51,372 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:51,419 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:51,419 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:51,420 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:39:51,504 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:39:51,505 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:51,555 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:51,556 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:51,556 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:39:51,645 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:39:51,645 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:51,700 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:51,700 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:51,701 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:39:51,846 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:39:51,847 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:52,077 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-08-05 10:39:52,078 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:52,078 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:52,078 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:39:52,191 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:39:52,192 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:52,254 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:52,255 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:52,255 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:39:52,371 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:39:52,372 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:52,437 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:52,438 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:52,438 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:39:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:52,687 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:52,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2019-08-05 10:39:52,688 INFO L454 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-08-05 10:39:52,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-08-05 10:39:52,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2019-08-05 10:39:52,688 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 28 states. [2019-08-05 10:39:53,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:53,832 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2019-08-05 10:39:53,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-08-05 10:39:53,832 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 27 [2019-08-05 10:39:53,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:53,833 INFO L225 Difference]: With dead ends: 30 [2019-08-05 10:39:53,833 INFO L226 Difference]: Without dead ends: 29 [2019-08-05 10:39:53,834 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=57, Invalid=755, Unknown=0, NotChecked=0, Total=812 [2019-08-05 10:39:53,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-08-05 10:39:53,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-08-05 10:39:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-08-05 10:39:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2019-08-05 10:39:53,838 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 27 [2019-08-05 10:39:53,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:53,838 INFO L475 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2019-08-05 10:39:53,838 INFO L476 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-08-05 10:39:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2019-08-05 10:39:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-08-05 10:39:53,839 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:53,839 INFO L399 BasicCegarLoop]: trace histogram [25, 1, 1, 1] [2019-08-05 10:39:53,839 INFO L418 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:53,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:53,839 INFO L82 PathProgramCache]: Analyzing trace with hash -199856570, now seen corresponding path program 25 times [2019-08-05 10:39:53,840 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:54,018 WARN L254 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 80 conjunts are in the unsatisfiable core [2019-08-05 10:39:54,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:54,062 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:54,063 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,085 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,085 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,085 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:54,097 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:54,098 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,104 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,104 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,104 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:54,115 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:54,116 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,123 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,123 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,124 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:54,138 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:54,139 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,148 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,148 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,149 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:54,165 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:54,165 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,176 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,176 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,177 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:54,196 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:54,197 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,224 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,224 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,224 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:54,246 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:54,246 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,260 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,261 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,261 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:54,287 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:54,287 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,304 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,305 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,305 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:54,334 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:54,334 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,352 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,353 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,353 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:54,389 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:54,390 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,409 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,410 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,410 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:54,449 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:54,449 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,473 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,473 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,474 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:54,517 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:54,518 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,542 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,543 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,543 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:54,615 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:54,616 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,673 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,673 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,673 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:54,727 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:39:54,727 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,759 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,759 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,760 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:39:54,816 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:39:54,816 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,851 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,852 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,852 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:39:54,918 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:39:54,919 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,958 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:54,958 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:54,958 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:39:55,033 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:39:55,034 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,074 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:55,074 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,075 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:39:55,152 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:39:55,153 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,199 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:55,199 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,200 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:39:55,291 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:39:55,292 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,337 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:55,337 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,338 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:39:55,432 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:39:55,433 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,482 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:55,483 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,483 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:39:55,584 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:39:55,585 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,640 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:55,640 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,641 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:39:55,737 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:39:55,738 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,797 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:55,798 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,798 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:39:55,932 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:39:55,933 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,994 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:55,995 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:55,995 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:39:56,109 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:39:56,109 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:56,174 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:56,175 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:56,175 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:39:56,304 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:39:56,305 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:56,372 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:56,372 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:56,373 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:39:56,638 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:39:56,638 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:39:56,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2019-08-05 10:39:56,638 INFO L454 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-08-05 10:39:56,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-08-05 10:39:56,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2019-08-05 10:39:56,639 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 29 states. [2019-08-05 10:39:57,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:39:57,855 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2019-08-05 10:39:57,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-08-05 10:39:57,855 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 28 [2019-08-05 10:39:57,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:39:57,856 INFO L225 Difference]: With dead ends: 31 [2019-08-05 10:39:57,856 INFO L226 Difference]: Without dead ends: 30 [2019-08-05 10:39:57,857 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=59, Invalid=811, Unknown=0, NotChecked=0, Total=870 [2019-08-05 10:39:57,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-08-05 10:39:57,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-08-05 10:39:57,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-08-05 10:39:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2019-08-05 10:39:57,859 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 28 [2019-08-05 10:39:57,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:39:57,859 INFO L475 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2019-08-05 10:39:57,859 INFO L476 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-08-05 10:39:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2019-08-05 10:39:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-08-05 10:39:57,860 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:39:57,860 INFO L399 BasicCegarLoop]: trace histogram [26, 1, 1, 1] [2019-08-05 10:39:57,860 INFO L418 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:39:57,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:39:57,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1900588320, now seen corresponding path program 26 times [2019-08-05 10:39:57,861 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:39:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:39:58,046 WARN L254 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 83 conjunts are in the unsatisfiable core [2019-08-05 10:39:58,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:39:58,128 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:39:58,129 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,193 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:58,194 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,194 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:39:58,344 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:39:58,345 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,432 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:58,432 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,433 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:39:58,638 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:39:58,638 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,740 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-08-05 10:39:58,740 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:58,741 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,741 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:39:58,760 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:39:58,760 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,770 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:58,770 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,770 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:39:58,787 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:39:58,787 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,797 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:58,798 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,798 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:39:58,821 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:39:58,821 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,833 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:58,834 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,834 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:39:58,861 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:39:58,862 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,877 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:58,877 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,877 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:39:58,904 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:39:58,905 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,922 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:58,923 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,923 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:39:58,953 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:39:58,953 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,971 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:58,971 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:58,972 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:39:59,006 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:39:59,007 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,027 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:59,028 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,028 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:39:59,068 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:39:59,068 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,093 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:59,093 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,093 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:39:59,137 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:39:59,138 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,168 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:59,168 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,168 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:39:59,218 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:39:59,219 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,247 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:59,248 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,248 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:39:59,305 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:39:59,305 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,338 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:59,338 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,338 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:39:59,396 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:39:59,397 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,432 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:59,433 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,433 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:39:59,496 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:39:59,496 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,534 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:59,535 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,535 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:39:59,602 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:39:59,603 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,644 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:59,644 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,645 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:39:59,716 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:39:59,717 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,759 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:59,759 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,760 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:39:59,841 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:39:59,842 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,888 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:39:59,888 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:39:59,888 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:39:59,978 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:39:59,978 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:00,029 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:00,030 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:00,030 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:40:00,122 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:40:00,123 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:00,187 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:00,188 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:00,188 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:40:00,290 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:40:00,292 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:00,346 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:00,347 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:00,347 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:40:00,454 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:40:00,455 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:00,534 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:00,535 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:00,535 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:40:00,655 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:40:00,657 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:00,761 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-05 10:40:00,761 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:00,762 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:00,762 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:40:00,879 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:40:00,879 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:00,947 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:00,948 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:00,948 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:40:01,077 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:40:01,078 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:01,149 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:01,149 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:01,150 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:40:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:01,438 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:01,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2019-08-05 10:40:01,438 INFO L454 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-08-05 10:40:01,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-08-05 10:40:01,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2019-08-05 10:40:01,439 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 30 states. [2019-08-05 10:40:02,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:02,789 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2019-08-05 10:40:02,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-08-05 10:40:02,790 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 29 [2019-08-05 10:40:02,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:02,790 INFO L225 Difference]: With dead ends: 32 [2019-08-05 10:40:02,791 INFO L226 Difference]: Without dead ends: 31 [2019-08-05 10:40:02,791 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=61, Invalid=869, Unknown=0, NotChecked=0, Total=930 [2019-08-05 10:40:02,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-08-05 10:40:02,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-08-05 10:40:02,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-08-05 10:40:02,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2019-08-05 10:40:02,794 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 29 [2019-08-05 10:40:02,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:02,794 INFO L475 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2019-08-05 10:40:02,795 INFO L476 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-08-05 10:40:02,795 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2019-08-05 10:40:02,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-08-05 10:40:02,795 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:02,795 INFO L399 BasicCegarLoop]: trace histogram [27, 1, 1, 1] [2019-08-05 10:40:02,796 INFO L418 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:02,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:02,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1211302278, now seen corresponding path program 27 times [2019-08-05 10:40:02,797 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:03,057 WARN L254 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 86 conjunts are in the unsatisfiable core [2019-08-05 10:40:03,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:03,133 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:40:03,133 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,150 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:03,150 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,150 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:40:03,165 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:40:03,165 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,176 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:03,176 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,177 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:40:03,198 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:40:03,199 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,210 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:03,210 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,210 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:40:03,229 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:40:03,230 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,246 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:03,246 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,247 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:40:03,289 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:40:03,290 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,320 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:03,321 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,321 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:40:03,367 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:40:03,367 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,387 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:03,387 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,387 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:40:03,418 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:40:03,419 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,439 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:03,440 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,440 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:40:03,501 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:40:03,501 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,525 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:03,526 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,526 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:40:03,572 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:40:03,572 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,591 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:03,591 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,591 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:40:03,625 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:40:03,626 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,647 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:03,648 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,648 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:40:03,686 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:40:03,687 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,718 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:03,718 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:03,719 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:40:03,768 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:40:03,769 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:04,101 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-08-05 10:40:04,101 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:04,101 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:04,102 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:40:04,764 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-08-05 10:40:04,805 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:40:04,806 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:05,176 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-08-05 10:40:05,176 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:05,176 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:05,177 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:40:05,448 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:40:05,449 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:05,482 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:05,482 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:05,483 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:40:05,545 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:40:05,545 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:05,579 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:05,579 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:05,580 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:40:05,641 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:40:05,641 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:05,677 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:05,678 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:05,678 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:40:05,746 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:40:05,747 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:05,785 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:05,786 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:05,786 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:40:05,857 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:40:05,858 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:05,900 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:05,900 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:05,901 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:40:05,978 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:40:05,978 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:06,039 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:06,040 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:06,040 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:40:06,120 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:40:06,121 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:06,169 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:06,170 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:06,170 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:40:06,268 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:40:06,269 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:06,320 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:06,321 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:06,321 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:40:06,429 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:40:06,430 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:06,505 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:06,506 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:06,506 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:40:06,627 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:40:06,628 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:06,687 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:06,687 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:06,687 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:40:06,808 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:40:06,809 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:06,872 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:06,872 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:06,873 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:40:06,994 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:40:06,995 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:07,060 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:07,061 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:07,061 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:40:07,197 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:40:07,198 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:07,270 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:07,271 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:07,271 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:40:07,411 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:40:07,412 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:07,488 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:07,488 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:07,488 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:40:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:07,788 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:07,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2019-08-05 10:40:07,789 INFO L454 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-08-05 10:40:07,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-08-05 10:40:07,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2019-08-05 10:40:07,789 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 31 states. [2019-08-05 10:40:09,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:09,259 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2019-08-05 10:40:09,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-08-05 10:40:09,260 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 30 [2019-08-05 10:40:09,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:09,261 INFO L225 Difference]: With dead ends: 33 [2019-08-05 10:40:09,261 INFO L226 Difference]: Without dead ends: 32 [2019-08-05 10:40:09,262 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=63, Invalid=929, Unknown=0, NotChecked=0, Total=992 [2019-08-05 10:40:09,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-08-05 10:40:09,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-08-05 10:40:09,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-08-05 10:40:09,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2019-08-05 10:40:09,265 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 30 [2019-08-05 10:40:09,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:09,266 INFO L475 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2019-08-05 10:40:09,266 INFO L476 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-08-05 10:40:09,266 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2019-08-05 10:40:09,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-08-05 10:40:09,266 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:09,266 INFO L399 BasicCegarLoop]: trace histogram [28, 1, 1, 1] [2019-08-05 10:40:09,267 INFO L418 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:09,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:09,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1104336992, now seen corresponding path program 28 times [2019-08-05 10:40:09,267 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:09,503 WARN L254 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 89 conjunts are in the unsatisfiable core [2019-08-05 10:40:09,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:09,594 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:40:09,594 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,664 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:09,664 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,665 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:40:09,679 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:40:09,679 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,683 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:09,684 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,684 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:40:09,695 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:40:09,696 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,703 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:09,703 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,704 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:40:09,718 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:40:09,719 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,728 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:09,728 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,729 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:40:09,749 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:40:09,750 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,760 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:09,761 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,761 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:40:09,894 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:40:09,894 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,907 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:09,908 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,908 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:40:09,950 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:40:09,951 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,965 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:09,966 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:09,966 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:40:09,991 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:40:09,992 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,009 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:10,009 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,009 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:40:10,036 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:40:10,037 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,055 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:10,055 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,055 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:40:10,087 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:40:10,088 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,108 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:10,109 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,109 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:40:10,146 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:40:10,147 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,169 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:10,170 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,170 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:40:10,212 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:40:10,213 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,238 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:10,238 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,238 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:40:10,282 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:40:10,283 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,313 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:10,313 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,314 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:40:10,365 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:40:10,365 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,398 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:10,398 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,398 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:40:10,454 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:40:10,455 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,490 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:10,491 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,491 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:40:10,587 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:40:10,587 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,625 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:10,625 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,626 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:40:10,700 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:40:10,701 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,742 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:10,742 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,743 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:40:10,815 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:40:10,815 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,860 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:10,861 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,861 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:40:10,940 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:40:10,941 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,986 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:10,986 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:10,986 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:40:11,074 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:40:11,075 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:11,124 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:11,125 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:11,125 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:40:11,224 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:40:11,224 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:11,278 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:11,278 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:11,279 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:40:11,373 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:40:11,374 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:11,432 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:11,432 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:11,432 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:40:11,539 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:40:11,539 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:11,600 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:11,601 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:11,601 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:40:11,718 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:40:11,719 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:11,790 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:11,791 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:11,791 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:40:11,918 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:40:11,919 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:11,994 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:11,994 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:11,995 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:40:12,129 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:40:12,130 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:12,201 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:12,202 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:12,202 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:40:12,336 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:40:12,337 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:12,411 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:12,411 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:12,412 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:40:12,560 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:40:12,562 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:12,792 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-08-05 10:40:12,793 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:12,793 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:12,794 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:40:13,114 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:13,115 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:13,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2019-08-05 10:40:13,115 INFO L454 AbstractCegarLoop]: Interpolant automaton has 32 states [2019-08-05 10:40:13,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2019-08-05 10:40:13,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2019-08-05 10:40:13,116 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 32 states. [2019-08-05 10:40:14,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:14,735 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2019-08-05 10:40:14,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-08-05 10:40:14,735 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 31 [2019-08-05 10:40:14,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:14,736 INFO L225 Difference]: With dead ends: 34 [2019-08-05 10:40:14,736 INFO L226 Difference]: Without dead ends: 33 [2019-08-05 10:40:14,737 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=65, Invalid=991, Unknown=0, NotChecked=0, Total=1056 [2019-08-05 10:40:14,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-08-05 10:40:14,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-08-05 10:40:14,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-08-05 10:40:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2019-08-05 10:40:14,740 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2019-08-05 10:40:14,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:14,740 INFO L475 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2019-08-05 10:40:14,740 INFO L476 AbstractCegarLoop]: Interpolant automaton has 32 states. [2019-08-05 10:40:14,740 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2019-08-05 10:40:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-08-05 10:40:14,741 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:14,741 INFO L399 BasicCegarLoop]: trace histogram [29, 1, 1, 1] [2019-08-05 10:40:14,741 INFO L418 AbstractCegarLoop]: === Iteration 30 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:14,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:14,742 INFO L82 PathProgramCache]: Analyzing trace with hash 125289670, now seen corresponding path program 29 times [2019-08-05 10:40:14,742 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:15,073 WARN L254 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 92 conjunts are in the unsatisfiable core [2019-08-05 10:40:15,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:15,174 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:40:15,174 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,249 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:15,249 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,250 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:40:15,400 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:40:15,401 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,493 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:15,494 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,494 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:40:15,564 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:40:15,564 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,571 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:15,572 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,572 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:40:15,585 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:40:15,585 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,593 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:15,593 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,594 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:40:15,610 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:40:15,611 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,620 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:15,621 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,621 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:40:15,641 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:40:15,642 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,654 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:15,655 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,655 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:40:15,677 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:40:15,678 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,693 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:15,693 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,693 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:40:15,720 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:40:15,721 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,736 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:15,736 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,736 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:40:15,768 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:40:15,769 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,788 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:15,788 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,789 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:40:15,825 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:40:15,825 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,847 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:15,847 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,848 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:40:15,886 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:40:15,886 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,915 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:15,915 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,915 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:40:15,957 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:40:15,958 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,983 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:15,984 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:15,984 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:40:16,032 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:40:16,033 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,226 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-08-05 10:40:16,226 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:16,226 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,227 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:40:16,278 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:40:16,279 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,308 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:16,309 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,309 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:40:16,364 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:40:16,365 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,398 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:16,399 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,399 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:40:16,463 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:40:16,464 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:16,501 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,502 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:40:16,574 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:40:16,574 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,616 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:16,616 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,616 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:40:16,691 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:40:16,692 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,736 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:16,736 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,737 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:40:16,818 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:40:16,818 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,866 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:16,866 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:16,867 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:40:16,955 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:40:16,956 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:17,005 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:17,006 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:17,006 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:40:17,104 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:40:17,105 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:17,157 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:17,158 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:17,158 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:40:17,260 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:40:17,261 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:17,319 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:17,320 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:17,320 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:40:17,429 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:40:17,430 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:17,525 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:17,525 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:17,526 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:40:17,642 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:40:17,643 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:17,709 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:17,710 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:17,710 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:40:17,840 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:40:17,841 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:17,914 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:17,915 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:17,915 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:40:18,037 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:40:18,038 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:18,108 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:18,108 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:18,109 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:40:18,255 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:40:18,256 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:18,330 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:18,330 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:18,330 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:40:18,468 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:40:18,469 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:18,548 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:18,549 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:18,549 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:40:18,767 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:40:18,768 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:18,848 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:18,848 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:18,849 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:40:19,196 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:19,197 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:19,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2019-08-05 10:40:19,197 INFO L454 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-08-05 10:40:19,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-08-05 10:40:19,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2019-08-05 10:40:19,198 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 33 states. [2019-08-05 10:40:20,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:20,881 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2019-08-05 10:40:20,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-08-05 10:40:20,882 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 32 [2019-08-05 10:40:20,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:20,883 INFO L225 Difference]: With dead ends: 35 [2019-08-05 10:40:20,883 INFO L226 Difference]: Without dead ends: 34 [2019-08-05 10:40:20,884 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=67, Invalid=1055, Unknown=0, NotChecked=0, Total=1122 [2019-08-05 10:40:20,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-08-05 10:40:20,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-08-05 10:40:20,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-08-05 10:40:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2019-08-05 10:40:20,887 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 32 [2019-08-05 10:40:20,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:20,887 INFO L475 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2019-08-05 10:40:20,887 INFO L476 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-08-05 10:40:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2019-08-05 10:40:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-08-05 10:40:20,888 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:20,888 INFO L399 BasicCegarLoop]: trace histogram [30, 1, 1, 1] [2019-08-05 10:40:20,888 INFO L418 AbstractCegarLoop]: === Iteration 31 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:20,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:20,889 INFO L82 PathProgramCache]: Analyzing trace with hash -410989472, now seen corresponding path program 30 times [2019-08-05 10:40:20,889 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:21,272 WARN L254 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 95 conjunts are in the unsatisfiable core [2019-08-05 10:40:21,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:21,358 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:40:21,358 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,420 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:21,421 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,421 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:40:21,433 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:40:21,434 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,439 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:21,440 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,440 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:40:21,450 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:40:21,450 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,457 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:21,457 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,457 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:40:21,472 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:40:21,473 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:21,501 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,502 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:40:21,517 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:40:21,518 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,529 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:21,529 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,530 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:40:21,552 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:40:21,553 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,566 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:21,566 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,566 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:40:21,590 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:40:21,590 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,603 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:21,603 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,603 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:40:21,629 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:40:21,630 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,647 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:21,647 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,648 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:40:21,676 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:40:21,677 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,696 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:21,696 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,697 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:40:21,730 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:40:21,730 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,751 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:21,752 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,752 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:40:21,789 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:40:21,790 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,814 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:21,814 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,814 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:40:21,855 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:40:21,855 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,881 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:21,882 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,882 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:40:21,935 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:40:21,936 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,963 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:21,963 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:21,963 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:40:22,048 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:40:22,049 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,081 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:22,081 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,082 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:40:22,138 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:40:22,138 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,173 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:22,173 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,173 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:40:22,241 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:40:22,242 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,280 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:22,280 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,280 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:40:22,349 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:40:22,349 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,389 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:22,390 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,390 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:40:22,461 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:40:22,461 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,506 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:22,506 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,506 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:40:22,589 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:40:22,590 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,637 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:22,638 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,638 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:40:22,721 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:40:22,723 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,838 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-08-05 10:40:22,839 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:22,839 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,839 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:40:22,932 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:40:22,933 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,982 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:22,982 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:22,983 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:40:23,111 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:40:23,112 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:23,170 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:23,170 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:23,171 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:40:23,284 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:40:23,285 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:23,357 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:23,358 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:23,358 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:40:23,479 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:40:23,480 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:23,541 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:23,541 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:23,542 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:40:23,674 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:40:23,675 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:23,755 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:23,755 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:23,755 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:40:23,906 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:40:23,906 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:23,995 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:23,996 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:23,996 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:40:24,144 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:40:24,145 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:24,221 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:24,221 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:24,221 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:40:24,375 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:40:24,376 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:24,456 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:24,456 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:24,457 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:40:24,614 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:40:24,615 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:24,699 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:24,700 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:24,700 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:40:24,855 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:40:24,856 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:24,943 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:24,943 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:24,943 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:40:25,290 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:25,291 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:25,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2019-08-05 10:40:25,291 INFO L454 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-08-05 10:40:25,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-08-05 10:40:25,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2019-08-05 10:40:25,292 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 34 states. [2019-08-05 10:40:27,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:27,104 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2019-08-05 10:40:27,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-08-05 10:40:27,104 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 33 [2019-08-05 10:40:27,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:27,105 INFO L225 Difference]: With dead ends: 36 [2019-08-05 10:40:27,105 INFO L226 Difference]: Without dead ends: 35 [2019-08-05 10:40:27,106 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=69, Invalid=1121, Unknown=0, NotChecked=0, Total=1190 [2019-08-05 10:40:27,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-08-05 10:40:27,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-08-05 10:40:27,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-08-05 10:40:27,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2019-08-05 10:40:27,108 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 33 [2019-08-05 10:40:27,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:27,108 INFO L475 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2019-08-05 10:40:27,108 INFO L476 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-08-05 10:40:27,108 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2019-08-05 10:40:27,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-08-05 10:40:27,109 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:27,109 INFO L399 BasicCegarLoop]: trace histogram [31, 1, 1, 1] [2019-08-05 10:40:27,109 INFO L418 AbstractCegarLoop]: === Iteration 32 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:27,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:27,109 INFO L82 PathProgramCache]: Analyzing trace with hash 144226310, now seen corresponding path program 31 times [2019-08-05 10:40:27,110 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:27,435 WARN L254 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 98 conjunts are in the unsatisfiable core [2019-08-05 10:40:27,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:27,523 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:40:27,524 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,598 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:27,599 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,599 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:40:27,748 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:40:27,749 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,757 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:27,757 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,758 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:40:27,769 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:40:27,769 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,777 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:27,777 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,777 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:40:27,792 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:40:27,792 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,801 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:27,802 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,802 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:40:27,850 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:40:27,851 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,859 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:27,859 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,860 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:40:27,879 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:40:27,880 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,892 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:27,893 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,893 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:40:27,922 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:40:27,923 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,937 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:27,937 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,937 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:40:27,964 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:40:27,965 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,981 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:27,981 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:27,981 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:40:28,026 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:40:28,027 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,045 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:28,046 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,046 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:40:28,093 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:40:28,094 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,113 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:28,114 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,114 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:40:28,153 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:40:28,154 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,177 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:28,178 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,178 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:40:28,223 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:40:28,223 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,249 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:28,249 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,249 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:40:28,297 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:40:28,297 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,326 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:28,327 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,327 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:40:28,384 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:40:28,385 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,417 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:28,418 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,418 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:40:28,473 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:40:28,473 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,504 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:28,505 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,505 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:40:28,564 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:40:28,565 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,604 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:28,604 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,604 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:40:28,667 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:40:28,668 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,706 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:28,707 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,707 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:40:28,790 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:40:28,791 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,866 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:28,867 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:28,867 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:40:29,018 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:40:29,019 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:29,089 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:29,089 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:29,090 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:40:29,175 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:40:29,176 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:29,225 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:29,226 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:29,226 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:40:29,324 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:40:29,325 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:29,375 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:29,375 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:29,376 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:40:29,480 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:40:29,480 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:29,536 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:29,537 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:29,537 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:40:29,647 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:40:29,648 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:29,709 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:29,710 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:29,710 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:40:29,830 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:40:29,831 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:29,897 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:29,898 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:29,898 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:40:30,026 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:40:30,027 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:30,114 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:30,115 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:30,115 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:40:30,248 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:40:30,249 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:30,320 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:30,320 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:30,320 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:40:30,470 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:40:30,471 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:30,566 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:30,566 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:30,566 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:40:30,706 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:40:30,707 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:30,783 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:30,783 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:30,784 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:40:30,981 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:40:30,982 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:31,149 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-05 10:40:31,149 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:31,149 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:31,150 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:40:31,317 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:40:31,318 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:31,406 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:31,407 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:31,407 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:40:31,588 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:40:31,588 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:31,683 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:31,683 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:31,684 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:40:32,166 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:32,167 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:32,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2019-08-05 10:40:32,167 INFO L454 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-08-05 10:40:32,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-08-05 10:40:32,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2019-08-05 10:40:32,168 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 35 states. [2019-08-05 10:40:34,099 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-05 10:40:34,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:34,152 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2019-08-05 10:40:34,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-08-05 10:40:34,153 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 34 [2019-08-05 10:40:34,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:34,153 INFO L225 Difference]: With dead ends: 37 [2019-08-05 10:40:34,153 INFO L226 Difference]: Without dead ends: 36 [2019-08-05 10:40:34,154 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=71, Invalid=1189, Unknown=0, NotChecked=0, Total=1260 [2019-08-05 10:40:34,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-08-05 10:40:34,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-08-05 10:40:34,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-08-05 10:40:34,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2019-08-05 10:40:34,156 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34 [2019-08-05 10:40:34,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:34,156 INFO L475 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2019-08-05 10:40:34,156 INFO L476 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-08-05 10:40:34,156 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2019-08-05 10:40:34,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-08-05 10:40:34,157 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:34,157 INFO L399 BasicCegarLoop]: trace histogram [32, 1, 1, 1] [2019-08-05 10:40:34,157 INFO L418 AbstractCegarLoop]: === Iteration 33 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:34,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:34,157 INFO L82 PathProgramCache]: Analyzing trace with hash 176046368, now seen corresponding path program 32 times [2019-08-05 10:40:34,158 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:34,523 WARN L254 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 101 conjunts are in the unsatisfiable core [2019-08-05 10:40:34,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:34,613 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:40:34,614 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,623 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:34,624 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,624 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:40:34,637 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:40:34,637 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,642 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:34,643 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,643 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:40:34,655 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:40:34,656 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,662 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:34,662 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,662 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:40:34,674 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:40:34,675 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,683 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:34,683 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,684 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:40:34,699 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:40:34,700 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,711 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:34,711 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,711 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:40:34,733 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:40:34,734 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,747 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:34,747 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,747 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:40:34,770 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:40:34,771 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,786 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:34,786 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,786 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:40:34,814 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:40:34,815 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,831 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:34,832 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,832 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:40:34,860 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:40:34,861 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,880 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:34,880 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,881 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:40:34,914 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:40:34,915 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,938 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:34,938 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:34,939 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:40:34,978 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:40:34,979 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,002 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:35,003 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,003 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:40:35,046 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:40:35,047 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,073 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:35,073 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,073 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:40:35,119 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:40:35,120 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,148 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:35,149 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,149 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:40:35,202 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:40:35,203 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,236 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:35,236 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,236 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:40:35,294 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:40:35,295 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,338 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:35,339 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,339 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:40:35,408 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:40:35,409 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,445 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:35,445 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,446 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:40:35,509 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:40:35,510 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,670 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-08-05 10:40:35,670 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:35,670 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,671 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:40:35,745 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:40:35,745 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,788 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:35,788 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,788 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:40:35,867 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:40:35,868 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,922 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:35,922 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:35,922 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:40:36,006 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:40:36,008 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:36,058 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:36,058 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:36,058 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:40:36,157 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:40:36,157 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:36,212 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:36,212 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:36,213 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:40:36,317 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:40:36,318 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:36,375 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:36,376 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:36,376 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:40:36,491 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:40:36,492 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:36,554 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:36,554 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:36,554 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:40:36,672 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:40:36,673 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:36,731 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:36,731 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:36,731 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:40:36,849 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:40:36,851 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:36,918 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:36,919 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:36,919 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:40:37,046 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:40:37,047 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:37,117 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:37,117 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:37,117 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:40:37,261 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:40:37,262 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:37,334 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:37,334 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:37,335 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:40:37,505 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:40:37,506 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:37,589 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:37,589 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:37,589 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:40:37,751 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:40:37,752 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:37,831 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:37,832 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:37,832 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:40:38,008 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:40:38,009 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:38,157 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-08-05 10:40:38,157 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:38,158 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:38,158 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:40:38,322 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:40:38,323 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:38,413 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:38,414 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:38,414 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:40:38,602 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:40:38,603 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:38,714 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-05 10:40:38,714 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:38,714 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:38,715 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:40:39,125 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-05 10:40:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:39,144 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:39,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2019-08-05 10:40:39,144 INFO L454 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-08-05 10:40:39,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-08-05 10:40:39,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=1191, Unknown=0, NotChecked=0, Total=1260 [2019-08-05 10:40:39,145 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 36 states. [2019-08-05 10:40:41,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:41,214 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2019-08-05 10:40:41,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2019-08-05 10:40:41,215 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 35 [2019-08-05 10:40:41,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:41,215 INFO L225 Difference]: With dead ends: 38 [2019-08-05 10:40:41,216 INFO L226 Difference]: Without dead ends: 37 [2019-08-05 10:40:41,217 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=73, Invalid=1259, Unknown=0, NotChecked=0, Total=1332 [2019-08-05 10:40:41,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-08-05 10:40:41,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-08-05 10:40:41,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-08-05 10:40:41,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2019-08-05 10:40:41,219 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 35 [2019-08-05 10:40:41,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:41,219 INFO L475 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2019-08-05 10:40:41,219 INFO L476 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-08-05 10:40:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2019-08-05 10:40:41,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-08-05 10:40:41,220 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:41,220 INFO L399 BasicCegarLoop]: trace histogram [33, 1, 1, 1] [2019-08-05 10:40:41,220 INFO L418 AbstractCegarLoop]: === Iteration 34 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:41,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:41,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1162468166, now seen corresponding path program 33 times [2019-08-05 10:40:41,221 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:41,599 WARN L254 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 104 conjunts are in the unsatisfiable core [2019-08-05 10:40:41,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:41,693 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:40:41,694 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:41,766 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:41,766 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:41,766 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:40:41,916 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:40:41,917 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:41,971 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:41,971 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:41,971 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:40:41,982 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:40:41,983 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:41,990 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:41,990 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:41,991 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:40:42,005 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:40:42,006 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,015 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,016 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,016 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:40:42,034 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:40:42,035 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,046 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,047 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,047 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:40:42,067 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:40:42,067 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,085 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,085 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:40:42,111 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:40:42,111 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,126 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,127 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,127 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:40:42,153 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:40:42,153 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,170 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,170 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,170 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:40:42,199 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:40:42,200 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,219 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,219 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,220 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:40:42,252 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:40:42,253 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,274 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,274 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,274 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:40:42,313 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:40:42,314 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,345 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,346 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,346 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:40:42,387 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:40:42,388 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,415 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,415 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,415 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:40:42,461 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:40:42,462 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,491 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,492 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,492 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:40:42,543 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:40:42,544 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,575 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,576 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,576 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:40:42,631 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:40:42,632 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,667 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,667 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,667 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:40:42,732 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:40:42,733 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,770 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,771 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,771 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:40:42,838 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:40:42,838 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,877 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,877 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,878 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:40:42,948 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:40:42,949 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,993 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:42,993 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:42,994 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:40:43,072 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:40:43,073 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:43,119 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:43,119 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:43,119 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:40:43,204 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:40:43,204 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:43,251 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:43,251 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:43,252 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:40:43,352 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:40:43,353 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:43,403 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:43,404 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:43,404 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:40:43,507 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:40:43,507 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:43,560 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:43,560 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:43,560 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:40:43,667 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:40:43,668 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:43,727 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:43,727 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:43,727 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:40:43,841 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:40:43,842 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:43,908 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:43,909 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:43,909 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:40:44,033 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:40:44,034 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:44,102 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:44,103 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:44,103 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:40:44,273 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:40:44,274 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:44,373 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:44,374 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:44,374 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:40:44,588 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:40:44,589 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:44,677 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:44,677 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:44,677 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:40:44,825 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:40:44,826 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:44,904 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:44,904 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:44,904 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:40:45,058 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:40:45,059 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:45,139 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:45,140 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:45,140 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:40:45,303 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:40:45,304 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:45,391 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:45,392 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:45,392 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:40:45,567 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:40:45,569 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:45,660 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:45,661 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:45,661 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:40:45,854 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:40:45,855 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:45,945 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:45,946 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:45,946 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:40:46,244 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-08-05 10:40:46,245 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:46,346 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:40:46,346 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:46,347 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:46,347 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-08-05 10:40:46,731 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:40:46,751 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:46,752 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:46,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2019-08-05 10:40:46,752 INFO L454 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-08-05 10:40:46,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-08-05 10:40:46,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2019-08-05 10:40:46,753 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 37 states. [2019-08-05 10:40:48,908 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:40:48,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:48,952 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2019-08-05 10:40:48,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-08-05 10:40:48,952 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 36 [2019-08-05 10:40:48,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:48,953 INFO L225 Difference]: With dead ends: 39 [2019-08-05 10:40:48,953 INFO L226 Difference]: Without dead ends: 38 [2019-08-05 10:40:48,954 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=75, Invalid=1331, Unknown=0, NotChecked=0, Total=1406 [2019-08-05 10:40:48,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-08-05 10:40:48,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-08-05 10:40:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-08-05 10:40:48,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2019-08-05 10:40:48,957 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 36 [2019-08-05 10:40:48,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:48,957 INFO L475 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2019-08-05 10:40:48,957 INFO L476 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-08-05 10:40:48,957 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2019-08-05 10:40:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-08-05 10:40:48,958 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:48,958 INFO L399 BasicCegarLoop]: trace histogram [34, 1, 1, 1] [2019-08-05 10:40:48,958 INFO L418 AbstractCegarLoop]: === Iteration 35 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:48,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:48,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1676772832, now seen corresponding path program 34 times [2019-08-05 10:40:48,959 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:49,311 WARN L254 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 107 conjunts are in the unsatisfiable core [2019-08-05 10:40:49,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:49,346 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:40:49,347 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,352 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:49,353 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,353 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:40:49,370 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:40:49,371 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,379 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:49,379 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,380 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:40:49,407 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:40:49,407 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,417 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:49,417 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,418 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:40:49,431 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:40:49,432 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,441 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:49,441 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,441 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:40:49,456 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:40:49,457 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,467 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:49,467 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,467 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:40:49,487 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:40:49,488 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:49,501 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,501 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:40:49,526 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:40:49,526 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,542 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:49,542 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,542 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:40:49,567 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:40:49,567 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,584 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:49,584 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,584 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:40:49,615 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:40:49,615 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,634 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:49,635 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,635 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:40:49,669 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:40:49,670 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,692 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:49,693 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,693 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:40:49,733 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:40:49,733 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,756 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:49,757 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,757 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:40:49,797 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:40:49,798 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,824 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:49,824 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,825 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:40:49,870 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:40:49,871 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,900 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:49,900 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:49,900 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:40:49,990 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:40:49,991 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:50,332 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-08-05 10:40:50,332 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:50,333 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:50,333 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:40:50,392 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:40:50,393 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:50,443 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:50,444 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:50,444 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:40:50,508 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:40:50,509 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:50,545 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:50,546 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:50,546 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:40:50,615 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:40:50,616 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:50,654 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:50,654 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:50,655 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:40:50,724 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:40:50,725 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:50,768 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:50,768 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:50,769 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:40:50,851 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:40:50,853 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:50,914 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:50,915 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:50,915 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:40:50,999 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:40:51,000 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:51,050 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:51,051 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:51,051 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:40:51,140 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:40:51,141 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:51,195 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:51,196 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:51,196 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:40:51,304 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:40:51,305 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:51,374 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:51,375 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:51,375 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:40:51,480 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:40:51,481 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:51,539 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:51,539 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:51,540 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:40:51,652 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:40:51,653 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:51,714 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:51,715 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:51,715 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:40:51,832 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:40:51,833 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:51,901 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:51,902 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:51,902 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:40:52,043 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:40:52,044 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:52,112 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:52,113 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:52,113 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:40:52,256 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:40:52,257 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:52,332 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:52,332 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:52,333 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:40:52,481 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:40:52,482 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:52,553 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:52,553 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:52,554 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:40:52,708 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:40:52,709 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:52,793 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:52,793 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:52,794 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:40:52,952 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:40:52,952 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:53,035 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:53,036 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:53,036 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:40:53,208 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:40:53,209 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:53,300 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:53,300 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:53,301 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:40:53,504 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:40:53,505 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:53,604 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:53,604 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:53,604 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:40:53,797 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-08-05 10:40:53,798 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:54,002 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:40:54,002 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:54,003 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:54,003 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-08-05 10:40:54,202 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-08-05 10:40:54,204 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:54,341 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:40:54,341 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:54,342 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:54,342 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-08-05 10:40:54,599 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:40:54,837 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:40:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:54,860 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:54,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2019-08-05 10:40:54,860 INFO L454 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-08-05 10:40:54,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-08-05 10:40:54,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2019-08-05 10:40:54,861 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 38 states. [2019-08-05 10:40:57,177 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:40:57,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:57,221 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2019-08-05 10:40:57,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-08-05 10:40:57,221 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 37 [2019-08-05 10:40:57,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:57,222 INFO L225 Difference]: With dead ends: 40 [2019-08-05 10:40:57,222 INFO L226 Difference]: Without dead ends: 39 [2019-08-05 10:40:57,223 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=77, Invalid=1405, Unknown=0, NotChecked=0, Total=1482 [2019-08-05 10:40:57,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-08-05 10:40:57,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-08-05 10:40:57,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-08-05 10:40:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2019-08-05 10:40:57,225 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 37 [2019-08-05 10:40:57,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:57,226 INFO L475 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2019-08-05 10:40:57,226 INFO L476 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-08-05 10:40:57,226 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2019-08-05 10:40:57,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-08-05 10:40:57,226 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:57,226 INFO L399 BasicCegarLoop]: trace histogram [35, 1, 1, 1] [2019-08-05 10:40:57,227 INFO L418 AbstractCegarLoop]: === Iteration 36 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:57,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:57,227 INFO L82 PathProgramCache]: Analyzing trace with hash 440348294, now seen corresponding path program 35 times [2019-08-05 10:40:57,227 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:57,707 WARN L254 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 110 conjunts are in the unsatisfiable core [2019-08-05 10:40:57,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:57,753 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:40:57,753 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,774 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:57,774 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,775 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:40:57,781 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:40:57,782 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,788 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:57,788 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,788 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:40:57,798 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:40:57,799 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,806 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:57,806 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,806 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:40:57,819 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:40:57,819 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,828 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:57,828 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,829 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:40:57,844 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:40:57,845 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,856 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:57,856 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,856 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:40:57,875 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:40:57,876 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,888 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:57,888 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,889 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:40:57,912 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:40:57,913 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,927 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:57,928 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,928 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:40:57,954 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:40:57,954 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,971 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:57,971 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:57,971 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:40:58,000 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:40:58,001 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,020 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:58,021 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,021 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:40:58,056 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:40:58,056 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,080 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:58,080 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,080 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:40:58,123 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:40:58,124 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,169 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:58,169 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,169 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:40:58,212 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:40:58,212 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,239 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:58,239 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,239 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:40:58,284 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:40:58,285 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,313 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:58,314 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,314 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:40:58,372 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:40:58,373 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,403 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:58,404 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,404 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:40:58,459 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:40:58,460 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,494 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:58,494 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,494 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:40:58,555 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:40:58,555 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,593 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:58,593 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,593 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:40:58,661 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:40:58,662 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,700 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:58,701 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,701 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:40:58,779 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:40:58,780 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,824 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:58,825 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,825 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:40:58,901 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:40:58,901 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,947 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:58,948 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:58,948 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:40:59,034 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:40:59,035 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:59,085 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:59,086 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:59,086 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:40:59,177 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:40:59,178 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:59,231 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:59,231 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:59,231 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:40:59,329 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:40:59,331 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:59,410 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:59,410 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:59,410 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:40:59,536 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:40:59,537 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:59,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:59,609 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:59,609 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:40:59,785 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:40:59,786 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:40:59,855 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:40:59,856 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:40:59,856 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:41:00,007 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:41:00,009 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:00,074 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:00,075 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:00,075 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:41:00,197 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:41:00,198 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:00,271 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:00,271 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:00,272 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:41:00,402 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:41:00,403 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:00,478 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:00,478 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:00,479 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:41:00,631 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:41:00,632 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:00,712 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:00,712 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:00,713 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:41:01,156 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:41:01,157 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:01,239 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:01,240 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:01,240 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:41:01,405 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:41:01,406 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:01,504 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:01,504 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:01,505 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:41:01,675 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:41:01,677 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:01,770 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:01,771 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:01,771 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:41:01,948 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:41:01,948 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:02,040 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:02,040 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:02,040 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:41:02,234 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-08-05 10:41:02,235 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:02,348 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:41:02,349 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:02,349 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:02,349 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-08-05 10:41:02,559 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:41:02,566 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-08-05 10:41:02,567 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:02,721 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:41:02,721 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:02,722 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:02,722 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-08-05 10:41:02,924 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:41:02,930 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-08-05 10:41:02,931 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:03,034 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:41:03,034 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:03,035 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:03,035 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-08-05 10:41:03,244 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:41:03,461 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:41:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:41:03,485 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:03,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2019-08-05 10:41:03,486 INFO L454 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-08-05 10:41:03,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-08-05 10:41:03,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2019-08-05 10:41:03,486 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 39 states. [2019-08-05 10:41:06,003 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:41:06,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:06,050 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2019-08-05 10:41:06,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-08-05 10:41:06,050 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 38 [2019-08-05 10:41:06,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:06,051 INFO L225 Difference]: With dead ends: 41 [2019-08-05 10:41:06,051 INFO L226 Difference]: Without dead ends: 40 [2019-08-05 10:41:06,052 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=79, Invalid=1481, Unknown=0, NotChecked=0, Total=1560 [2019-08-05 10:41:06,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-08-05 10:41:06,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-08-05 10:41:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-08-05 10:41:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2019-08-05 10:41:06,054 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 38 [2019-08-05 10:41:06,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:06,054 INFO L475 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2019-08-05 10:41:06,054 INFO L476 AbstractCegarLoop]: Interpolant automaton has 39 states. [2019-08-05 10:41:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2019-08-05 10:41:06,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-08-05 10:41:06,055 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:06,055 INFO L399 BasicCegarLoop]: trace histogram [36, 1, 1, 1] [2019-08-05 10:41:06,055 INFO L418 AbstractCegarLoop]: === Iteration 37 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:06,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:06,055 INFO L82 PathProgramCache]: Analyzing trace with hash 765893280, now seen corresponding path program 36 times [2019-08-05 10:41:06,056 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:06,525 WARN L254 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 113 conjunts are in the unsatisfiable core [2019-08-05 10:41:06,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:06,606 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:41:06,607 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,654 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:06,654 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,654 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:41:06,724 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:41:06,725 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,731 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:06,731 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,731 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:41:06,742 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:41:06,743 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,750 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:06,750 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,751 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:41:06,765 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:41:06,766 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,775 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:06,775 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,775 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:41:06,790 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:41:06,790 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,813 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:06,814 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,814 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:41:06,834 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:41:06,834 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,847 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:06,847 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,848 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:41:06,870 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:41:06,871 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,886 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:06,886 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,886 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:41:06,913 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:41:06,913 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,931 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:06,931 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,931 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:41:06,961 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:41:06,961 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,985 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:06,986 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:06,986 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:41:07,053 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:41:07,054 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,083 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:07,084 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,084 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:41:07,119 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:41:07,120 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,142 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:07,142 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,143 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:41:07,184 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:41:07,184 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,210 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:07,210 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,210 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:41:07,256 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:41:07,256 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,284 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:07,285 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,285 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:41:07,336 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:41:07,337 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,367 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:07,367 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,368 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:41:07,428 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:41:07,429 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,462 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:07,462 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,462 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:41:07,522 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:41:07,523 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,556 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:07,557 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,557 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:41:07,622 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:41:07,622 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,665 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:07,665 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,666 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:41:07,740 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:41:07,741 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,783 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:07,784 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,784 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:41:07,862 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:41:07,862 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,913 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:07,913 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:07,914 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:41:07,997 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:41:07,998 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:08,047 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:08,048 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:08,048 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:41:08,180 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:41:08,181 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:08,232 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:08,233 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:08,233 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:41:08,331 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:41:08,332 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:08,388 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:08,388 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:08,389 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:41:08,494 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:41:08,495 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:08,553 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:08,553 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:08,553 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:41:08,705 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:41:08,706 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:08,768 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:08,768 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:08,768 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:41:08,894 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:41:08,894 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:08,961 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:08,962 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:08,962 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:41:09,093 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:41:09,094 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:09,164 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:09,165 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:09,165 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:41:09,306 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:41:09,307 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:09,383 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:09,383 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:09,383 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:41:09,530 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:41:09,531 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:09,610 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:09,610 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:09,611 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:41:09,822 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:41:09,823 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:09,921 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:09,922 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:09,922 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:41:10,126 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-05 10:41:10,135 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:41:10,136 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:10,226 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:10,226 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:10,227 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:41:10,401 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:41:10,402 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:10,497 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:10,497 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:10,498 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:41:10,687 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:41:10,688 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:10,784 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:10,784 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:10,785 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:41:10,980 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-08-05 10:41:10,981 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:11,080 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:11,081 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:11,081 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-08-05 10:41:11,280 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-08-05 10:41:11,281 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:11,385 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:41:11,386 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:11,386 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:11,386 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-08-05 10:41:11,589 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:41:11,596 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-08-05 10:41:11,597 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:11,701 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:41:11,702 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:11,702 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:11,702 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-08-05 10:41:11,923 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:41:11,932 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-08-05 10:41:11,934 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:12,061 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:41:12,061 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:12,062 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:12,062 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-08-05 10:41:12,281 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:41:12,506 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:41:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:41:12,533 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:12,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2019-08-05 10:41:12,534 INFO L454 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-08-05 10:41:12,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-08-05 10:41:12,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2019-08-05 10:41:12,535 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 40 states. [2019-08-05 10:41:15,212 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:41:15,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:15,262 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2019-08-05 10:41:15,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-08-05 10:41:15,263 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 39 [2019-08-05 10:41:15,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:15,264 INFO L225 Difference]: With dead ends: 42 [2019-08-05 10:41:15,264 INFO L226 Difference]: Without dead ends: 41 [2019-08-05 10:41:15,265 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=81, Invalid=1559, Unknown=0, NotChecked=0, Total=1640 [2019-08-05 10:41:15,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-08-05 10:41:15,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-08-05 10:41:15,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-08-05 10:41:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2019-08-05 10:41:15,267 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 39 [2019-08-05 10:41:15,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:15,267 INFO L475 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2019-08-05 10:41:15,267 INFO L476 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-08-05 10:41:15,267 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2019-08-05 10:41:15,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-08-05 10:41:15,268 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:15,268 INFO L399 BasicCegarLoop]: trace histogram [37, 1, 1, 1] [2019-08-05 10:41:15,268 INFO L418 AbstractCegarLoop]: === Iteration 38 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:15,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:15,269 INFO L82 PathProgramCache]: Analyzing trace with hash -2027114042, now seen corresponding path program 37 times [2019-08-05 10:41:15,269 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:15,691 WARN L254 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 116 conjunts are in the unsatisfiable core [2019-08-05 10:41:15,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:15,776 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:41:15,777 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,797 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:15,798 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,798 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:41:15,810 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:41:15,810 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,815 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:15,816 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,816 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:41:15,827 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:41:15,827 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,835 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:15,835 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,835 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:41:15,848 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:41:15,849 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,858 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:15,858 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,858 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:41:15,874 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:41:15,874 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,884 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:15,885 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,885 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:41:15,905 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:41:15,906 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,919 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:15,919 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,919 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:41:15,942 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:41:15,943 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,957 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:15,957 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,958 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:41:15,983 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:41:15,983 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,999 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:15,999 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:15,999 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:41:16,030 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:41:16,030 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,058 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:16,059 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,059 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:41:16,094 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:41:16,094 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,116 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:16,116 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,117 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:41:16,152 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:41:16,153 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,176 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:16,176 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,176 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:41:16,219 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:41:16,220 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,244 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:16,244 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,245 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:41:16,289 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:41:16,290 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,319 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:16,319 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,319 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:41:16,370 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:41:16,371 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,402 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:16,402 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,403 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:41:16,459 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:41:16,460 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,495 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:16,496 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,496 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:41:16,564 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:41:16,564 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,599 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:16,600 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,600 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:41:16,662 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:41:16,663 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,704 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:16,704 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,705 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:41:16,778 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:41:16,779 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,822 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:16,823 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,823 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:41:16,901 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:41:16,901 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,968 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:16,968 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:16,968 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:41:17,059 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:41:17,060 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:17,107 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:17,107 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:17,107 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:41:17,199 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:41:17,200 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:17,252 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:17,253 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:17,253 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:41:17,352 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:41:17,353 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:17,410 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:17,411 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:17,411 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:41:17,522 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:41:17,523 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:17,588 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:17,589 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:17,589 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:41:17,706 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:41:17,708 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:17,773 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:17,774 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:17,774 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:41:17,896 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:41:17,897 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:17,967 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:17,967 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:17,967 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:41:18,101 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:41:18,102 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:18,170 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:18,170 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:18,171 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:41:18,306 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:41:18,307 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:18,380 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:18,381 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:18,381 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:41:18,526 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:41:18,527 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:18,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:18,609 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:18,609 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:41:18,773 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:41:18,774 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:18,856 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:18,857 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:18,857 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:41:19,024 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:41:19,025 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:19,112 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:19,112 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:19,112 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:41:19,300 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:41:19,301 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:19,391 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:19,391 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:19,392 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:41:19,587 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:41:19,588 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:19,684 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:19,684 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:19,685 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:41:19,873 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-05 10:41:19,881 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-08-05 10:41:19,881 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:19,991 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:41:19,992 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:19,992 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:19,992 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-08-05 10:41:20,225 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:41:20,232 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-08-05 10:41:20,233 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:20,363 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:41:20,363 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:20,364 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:20,364 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-08-05 10:41:20,575 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:41:20,583 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-08-05 10:41:20,584 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:20,693 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:41:20,694 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:20,694 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:20,694 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-08-05 10:41:20,913 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:41:20,921 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-08-05 10:41:20,922 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:21,031 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:41:21,032 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:21,032 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:21,032 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-08-05 10:41:21,251 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:41:21,259 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-08-05 10:41:21,260 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:21,371 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:41:21,371 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:21,372 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:21,372 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-08-05 10:41:21,604 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:41:21,850 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:41:21,878 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:41:21,878 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:21,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2019-08-05 10:41:21,879 INFO L454 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-08-05 10:41:21,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-08-05 10:41:21,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2019-08-05 10:41:21,880 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 41 states. [2019-08-05 10:41:24,674 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:41:24,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:24,723 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2019-08-05 10:41:24,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-08-05 10:41:24,724 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 40 [2019-08-05 10:41:24,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:24,725 INFO L225 Difference]: With dead ends: 43 [2019-08-05 10:41:24,725 INFO L226 Difference]: Without dead ends: 42 [2019-08-05 10:41:24,726 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=83, Invalid=1639, Unknown=0, NotChecked=0, Total=1722 [2019-08-05 10:41:24,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-08-05 10:41:24,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-08-05 10:41:24,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-08-05 10:41:24,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2019-08-05 10:41:24,728 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 40 [2019-08-05 10:41:24,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:24,728 INFO L475 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2019-08-05 10:41:24,728 INFO L476 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-08-05 10:41:24,728 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2019-08-05 10:41:24,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-08-05 10:41:24,729 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:24,729 INFO L399 BasicCegarLoop]: trace histogram [38, 1, 1, 1] [2019-08-05 10:41:24,729 INFO L418 AbstractCegarLoop]: === Iteration 39 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:24,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:24,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1583972192, now seen corresponding path program 38 times [2019-08-05 10:41:24,730 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:25,157 WARN L254 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 119 conjunts are in the unsatisfiable core [2019-08-05 10:41:25,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:25,185 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:41:25,186 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,203 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,203 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,204 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:41:25,249 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:41:25,249 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,261 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,261 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,262 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:41:25,294 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:41:25,294 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,309 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,309 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,309 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:41:25,329 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:41:25,329 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,343 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,343 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,343 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:41:25,369 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:41:25,370 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,387 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,387 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,387 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:41:25,410 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:41:25,410 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,431 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,431 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,431 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:41:25,483 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:41:25,483 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,501 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,501 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:41:25,526 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:41:25,527 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,543 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,543 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,543 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:41:25,576 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:41:25,576 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,594 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,595 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,595 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:41:25,627 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:41:25,627 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,648 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,648 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,649 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:41:25,688 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:41:25,688 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,711 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,712 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,712 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:41:25,754 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:41:25,754 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,780 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,780 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,780 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:41:25,823 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:41:25,824 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,852 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,852 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,852 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:41:25,905 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:41:25,905 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,937 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:25,937 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:25,937 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:41:25,990 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:41:25,991 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,025 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:26,026 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,026 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:41:26,087 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:41:26,088 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,125 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:26,126 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,126 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:41:26,193 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:41:26,194 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,232 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:26,233 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,233 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:41:26,304 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:41:26,304 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,348 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:26,349 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,349 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:41:26,433 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:41:26,434 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,481 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:26,482 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,482 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:41:26,569 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:41:26,570 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,620 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:26,620 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,621 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:41:26,715 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:41:26,716 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,774 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:26,774 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,774 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:41:26,893 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:41:26,893 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,951 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:26,951 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:26,951 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:41:27,059 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:41:27,060 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:27,118 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:27,118 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:27,119 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:41:27,227 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:41:27,228 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:27,291 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:27,291 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:27,291 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:41:27,417 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:41:27,418 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:27,486 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:27,487 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:27,487 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:41:27,615 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:41:27,615 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:27,688 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:27,688 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:27,689 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:41:27,833 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:41:27,834 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:27,911 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:27,911 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:27,911 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:41:28,059 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:41:28,060 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:28,139 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:28,139 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:28,140 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:41:28,294 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:41:28,295 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:28,374 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:28,374 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:28,375 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:41:28,538 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:41:28,539 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:28,629 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:28,629 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:28,629 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:41:28,803 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:41:28,805 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:28,901 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:28,901 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:28,901 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:41:29,088 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:41:29,089 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:29,185 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:29,185 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:29,185 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:41:29,394 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-08-05 10:41:29,395 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:29,492 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:29,493 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:29,493 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-08-05 10:41:29,694 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-08-05 10:41:29,695 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:29,800 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:41:29,800 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:29,801 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:29,801 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-08-05 10:41:30,017 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:41:30,025 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-08-05 10:41:30,026 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:30,134 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:41:30,134 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:30,135 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:30,135 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-08-05 10:41:30,393 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:41:30,401 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-08-05 10:41:30,402 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:30,530 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:41:30,530 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:30,531 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:30,531 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-08-05 10:41:30,777 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:41:30,784 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-08-05 10:41:30,785 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:30,900 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:41:30,900 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:30,901 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:30,901 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-08-05 10:41:31,137 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:41:31,144 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-08-05 10:41:31,145 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:31,266 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:41:31,266 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:31,266 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:31,267 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-08-05 10:41:31,510 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:41:31,759 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:41:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:41:31,789 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:31,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2019-08-05 10:41:31,789 INFO L454 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-08-05 10:41:31,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-08-05 10:41:31,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2019-08-05 10:41:31,790 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 42 states. [2019-08-05 10:41:34,762 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:41:34,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:34,816 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2019-08-05 10:41:34,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-08-05 10:41:34,817 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 41 [2019-08-05 10:41:34,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:34,818 INFO L225 Difference]: With dead ends: 44 [2019-08-05 10:41:34,818 INFO L226 Difference]: Without dead ends: 43 [2019-08-05 10:41:34,819 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=85, Invalid=1721, Unknown=0, NotChecked=0, Total=1806 [2019-08-05 10:41:34,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-08-05 10:41:34,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-08-05 10:41:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-08-05 10:41:34,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2019-08-05 10:41:34,821 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 41 [2019-08-05 10:41:34,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:34,821 INFO L475 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2019-08-05 10:41:34,821 INFO L476 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-08-05 10:41:34,821 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2019-08-05 10:41:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-08-05 10:41:34,822 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:34,822 INFO L399 BasicCegarLoop]: trace histogram [39, 1, 1, 1] [2019-08-05 10:41:34,822 INFO L418 AbstractCegarLoop]: === Iteration 40 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:34,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:34,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1858495750, now seen corresponding path program 39 times [2019-08-05 10:41:34,823 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:35,304 WARN L254 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 122 conjunts are in the unsatisfiable core [2019-08-05 10:41:35,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:35,334 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:41:35,335 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,341 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:35,341 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,341 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:41:35,351 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:41:35,351 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,358 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:35,358 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,359 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:41:35,385 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:41:35,385 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,394 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:35,395 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,395 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:41:35,430 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:41:35,430 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,443 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:35,443 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,444 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:41:35,490 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:41:35,491 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,510 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:35,510 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,510 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:41:35,534 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:41:35,534 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,558 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:35,559 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,559 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:41:35,618 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:41:35,618 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,637 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:35,638 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,638 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:41:35,707 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:41:35,708 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,735 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:35,735 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,735 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:41:35,797 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:41:35,798 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,814 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:35,815 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,815 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:41:35,849 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:41:35,850 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,870 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:35,870 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,870 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:41:35,908 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:41:35,909 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,934 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:35,935 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:35,935 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:41:36,014 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:41:36,015 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,038 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:36,039 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,039 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:41:36,086 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:41:36,087 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,115 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:36,115 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,116 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:41:36,173 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:41:36,173 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,205 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:36,205 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,206 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:41:36,261 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:41:36,262 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,295 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:36,296 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,296 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:41:36,358 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:41:36,358 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,396 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:36,396 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,396 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:41:36,460 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:41:36,461 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:36,501 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,502 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:41:36,581 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:41:36,582 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,625 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:36,625 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,626 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:41:36,704 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:41:36,705 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,756 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:36,756 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,756 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:41:36,843 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:41:36,844 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,896 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:36,896 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:36,897 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:41:36,989 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:41:36,989 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:37,126 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-08-05 10:41:37,127 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:37,127 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:37,127 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:41:37,227 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:41:37,228 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:37,286 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:37,287 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:37,287 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:41:37,399 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:41:37,401 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:37,466 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:37,467 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:37,467 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:41:37,597 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:41:37,598 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:37,666 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:37,666 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:37,667 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:41:37,788 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:41:37,789 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:37,857 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:37,858 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:37,858 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:41:37,992 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:41:37,993 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:38,065 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:38,066 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:38,066 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:41:38,215 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:41:38,216 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:38,293 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:38,294 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:38,294 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:41:38,446 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:41:38,447 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:38,551 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-08-05 10:41:38,551 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:38,552 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:38,552 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:41:38,728 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:41:38,729 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:38,816 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:38,816 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:38,817 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:41:38,988 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:41:38,990 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:39,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:39,085 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:39,085 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:41:39,261 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:41:39,262 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:39,355 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:39,356 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:39,356 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:41:39,542 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:41:39,543 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:39,647 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-05 10:41:39,648 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:39,648 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:39,648 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:41:39,845 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-05 10:41:39,852 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-08-05 10:41:39,853 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:39,961 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:41:39,961 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:39,961 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:39,962 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-08-05 10:41:40,161 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:41:40,168 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-08-05 10:41:40,169 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:40,275 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:41:40,275 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:40,276 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:40,276 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-08-05 10:41:40,505 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:41:40,512 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-08-05 10:41:40,512 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:40,644 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:41:40,644 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:40,644 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:40,645 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-08-05 10:41:40,889 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:41:40,897 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-08-05 10:41:40,898 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:41,015 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:41:41,015 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:41,015 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:41,016 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-08-05 10:41:41,242 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:41:41,268 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-08-05 10:41:41,270 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:41,402 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:41:41,402 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:41,403 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:41,403 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-08-05 10:41:41,642 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:41:41,650 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-08-05 10:41:41,651 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:41,773 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:41:41,774 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:41,774 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:41,774 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-08-05 10:41:42,024 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:41:42,031 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-08-05 10:41:42,033 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:42,164 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:41:42,164 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:42,165 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:42,165 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-08-05 10:41:42,433 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:41:42,707 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:41:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:41:42,739 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:42,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2019-08-05 10:41:42,740 INFO L454 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-08-05 10:41:42,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-08-05 10:41:42,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2019-08-05 10:41:42,740 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 43 states. [2019-08-05 10:41:46,067 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:41:46,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:46,123 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2019-08-05 10:41:46,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2019-08-05 10:41:46,124 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 42 [2019-08-05 10:41:46,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:46,125 INFO L225 Difference]: With dead ends: 45 [2019-08-05 10:41:46,125 INFO L226 Difference]: Without dead ends: 44 [2019-08-05 10:41:46,126 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=87, Invalid=1805, Unknown=0, NotChecked=0, Total=1892 [2019-08-05 10:41:46,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-08-05 10:41:46,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-08-05 10:41:46,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-08-05 10:41:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2019-08-05 10:41:46,127 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 42 [2019-08-05 10:41:46,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:46,128 INFO L475 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2019-08-05 10:41:46,128 INFO L476 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-08-05 10:41:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2019-08-05 10:41:46,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-08-05 10:41:46,128 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:46,128 INFO L399 BasicCegarLoop]: trace histogram [40, 1, 1, 1] [2019-08-05 10:41:46,128 INFO L418 AbstractCegarLoop]: === Iteration 41 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:46,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:46,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1778791456, now seen corresponding path program 40 times [2019-08-05 10:41:46,129 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:46,668 WARN L254 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 125 conjunts are in the unsatisfiable core [2019-08-05 10:41:46,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:46,699 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:41:46,699 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,718 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:46,718 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,718 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:41:46,725 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:41:46,725 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,731 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:46,731 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,731 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:41:46,743 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:41:46,743 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,750 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:46,751 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,751 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:41:46,765 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:41:46,765 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,774 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:46,774 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,775 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:41:46,790 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:41:46,790 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,801 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:46,802 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,802 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:41:46,821 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:41:46,821 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,833 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:46,833 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,833 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:41:46,855 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:41:46,855 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,869 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:46,869 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,870 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:41:46,899 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:41:46,899 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,917 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:46,917 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:46,918 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:41:47,008 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:41:47,009 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:47,028 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:47,029 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:47,029 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:41:47,063 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:41:47,063 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:47,087 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:47,087 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:47,087 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:41:47,126 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:41:47,127 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:47,176 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:47,176 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:47,176 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:41:47,218 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:41:47,218 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:47,245 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:47,245 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:47,246 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:41:47,295 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:41:47,296 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:47,660 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-08-05 10:41:47,661 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:47,661 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:47,662 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:41:48,354 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-08-05 10:41:48,396 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:41:48,397 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:48,770 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-08-05 10:41:48,770 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:48,770 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:48,771 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:41:49,167 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:41:49,168 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,201 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:49,201 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,201 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:41:49,262 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:41:49,263 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,301 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:49,301 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,302 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:41:49,371 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:41:49,372 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,413 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:49,413 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,414 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:41:49,483 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:41:49,484 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,526 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:49,527 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,527 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:41:49,606 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:41:49,606 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,651 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:49,651 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,651 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:41:49,739 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:41:49,739 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,789 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:49,789 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,789 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:41:49,889 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:41:49,890 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,944 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:49,944 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:49,945 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:41:50,053 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:41:50,054 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:50,109 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:50,110 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:50,110 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:41:50,220 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:41:50,221 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:50,282 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:50,283 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:50,283 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:41:50,406 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:41:50,407 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:50,469 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:50,470 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:50,470 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:41:50,600 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:41:50,601 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:50,666 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:50,667 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:50,667 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:41:50,859 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-05 10:41:50,867 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:41:50,868 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:50,955 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:50,956 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:50,956 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:41:51,130 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:41:51,131 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:51,206 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:51,207 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:51,207 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:41:51,350 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:41:51,351 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:51,429 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:51,430 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:51,430 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:41:51,608 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:41:51,609 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:51,698 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:51,698 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:51,698 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:41:51,864 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:41:51,865 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:51,952 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:51,953 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:51,953 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:41:52,127 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:41:52,128 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:52,222 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:52,222 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:52,222 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:41:52,415 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:41:52,416 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:52,517 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-05 10:41:52,517 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:52,518 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:52,518 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:41:52,788 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-08-05 10:41:52,789 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:52,899 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:41:52,899 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:52,900 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:52,900 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-08-05 10:41:53,099 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-08-05 10:41:53,100 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:53,206 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:41:53,206 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:53,207 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:53,207 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-08-05 10:41:53,421 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:41:53,428 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-08-05 10:41:53,428 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:53,537 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:41:53,537 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:53,537 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:53,538 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-08-05 10:41:53,757 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:41:53,763 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-08-05 10:41:53,764 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:53,872 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:41:53,872 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:53,873 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:53,873 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-08-05 10:41:54,099 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:41:54,106 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-08-05 10:41:54,107 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:54,229 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:41:54,229 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:54,229 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:54,230 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-08-05 10:41:54,464 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:41:54,474 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-08-05 10:41:54,475 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:54,613 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:41:54,614 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:54,614 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:54,614 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-08-05 10:41:54,863 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:41:54,871 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-08-05 10:41:54,872 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:54,999 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:41:55,000 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:55,000 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:55,000 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-08-05 10:41:55,249 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:41:55,257 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-08-05 10:41:55,258 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:41:55,383 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:41:55,383 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:41:55,384 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:41:55,384 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-08-05 10:41:55,640 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:41:55,925 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:41:55,959 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:41:55,959 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:55,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2019-08-05 10:41:55,960 INFO L454 AbstractCegarLoop]: Interpolant automaton has 44 states [2019-08-05 10:41:55,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2019-08-05 10:41:55,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1807, Unknown=0, NotChecked=0, Total=1892 [2019-08-05 10:41:55,961 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 44 states. [2019-08-05 10:41:59,504 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-05 10:41:59,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:59,559 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2019-08-05 10:41:59,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-08-05 10:41:59,560 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 43 [2019-08-05 10:41:59,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:59,560 INFO L225 Difference]: With dead ends: 46 [2019-08-05 10:41:59,560 INFO L226 Difference]: Without dead ends: 45 [2019-08-05 10:41:59,561 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=89, Invalid=1891, Unknown=0, NotChecked=0, Total=1980 [2019-08-05 10:41:59,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-08-05 10:41:59,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-08-05 10:41:59,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-08-05 10:41:59,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2019-08-05 10:41:59,562 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 43 [2019-08-05 10:41:59,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:59,562 INFO L475 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2019-08-05 10:41:59,562 INFO L476 AbstractCegarLoop]: Interpolant automaton has 44 states. [2019-08-05 10:41:59,562 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2019-08-05 10:41:59,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-08-05 10:41:59,563 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:59,563 INFO L399 BasicCegarLoop]: trace histogram [41, 1, 1, 1] [2019-08-05 10:41:59,563 INFO L418 AbstractCegarLoop]: === Iteration 42 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:59,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:59,563 INFO L82 PathProgramCache]: Analyzing trace with hash -692041658, now seen corresponding path program 41 times [2019-08-05 10:41:59,564 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:42:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:42:00,057 WARN L254 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 128 conjunts are in the unsatisfiable core [2019-08-05 10:42:00,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:42:00,082 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:42:00,082 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,096 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,096 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,096 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:42:00,108 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:42:00,108 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,114 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,114 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,115 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:42:00,125 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:42:00,126 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,133 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,134 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,134 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:42:00,147 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:42:00,147 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,157 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,157 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,157 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:42:00,174 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:42:00,175 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,186 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,186 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,187 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:42:00,209 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:42:00,209 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,221 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,221 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,221 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:42:00,243 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:42:00,244 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,259 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,259 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,259 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:42:00,286 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:42:00,287 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,304 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,304 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,304 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:42:00,333 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:42:00,333 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,353 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,353 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,353 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:42:00,385 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:42:00,386 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,405 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,406 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,406 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:42:00,442 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:42:00,443 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,467 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,468 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,468 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:42:00,509 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:42:00,510 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,534 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,535 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,535 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:42:00,581 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:42:00,582 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,611 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,611 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,611 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:42:00,667 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:42:00,668 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,700 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,700 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,701 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:42:00,765 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:42:00,765 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,799 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,800 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,800 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:42:00,860 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:42:00,861 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,898 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:00,899 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:00,899 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:42:00,995 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:42:00,996 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:01,048 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:01,048 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:01,049 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:42:01,145 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:42:01,145 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:01,202 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:01,203 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:01,203 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:42:01,313 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:42:01,313 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:01,357 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:01,358 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:01,358 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:42:01,449 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:42:01,450 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:01,507 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:01,507 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:01,507 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:42:01,632 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:42:01,633 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:01,688 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:01,688 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:01,688 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:42:01,789 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:42:01,790 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:01,849 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:01,849 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:01,849 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:42:01,958 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:42:01,959 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:02,020 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:02,021 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:02,021 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:42:02,142 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:42:02,143 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:02,793 WARN L188 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-05 10:42:02,794 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:02,794 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:02,795 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:42:04,040 WARN L188 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-05 10:42:04,083 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:42:04,085 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:04,732 WARN L188 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-05 10:42:04,732 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:04,733 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:04,733 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:42:05,422 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:42:05,423 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:05,495 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:05,496 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:05,496 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:42:05,635 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:42:05,636 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:05,713 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:05,714 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:05,714 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:42:05,863 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:42:05,864 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:05,942 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:05,942 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:05,943 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:42:06,121 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-08-05 10:42:06,128 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:42:06,128 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:06,227 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:06,227 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:06,227 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:42:06,478 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-05 10:42:06,485 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:42:06,486 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:06,573 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:06,573 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:06,574 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:42:06,749 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:42:06,750 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:06,844 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:06,845 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:06,845 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:42:07,030 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:42:07,032 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:07,134 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-05 10:42:07,135 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:07,135 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:07,136 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:42:07,331 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-08-05 10:42:07,332 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:07,438 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:42:07,438 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:07,439 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:07,439 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-08-05 10:42:07,636 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:42:07,644 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-08-05 10:42:07,645 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:07,743 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:07,744 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:07,744 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-08-05 10:42:07,958 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:42:07,966 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-08-05 10:42:07,967 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:08,075 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:42:08,076 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:08,076 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:08,077 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-08-05 10:42:08,299 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:42:08,305 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-08-05 10:42:08,307 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:08,430 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:42:08,430 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:08,431 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:08,431 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-08-05 10:42:08,673 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:42:08,680 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-08-05 10:42:08,681 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:08,804 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:42:08,805 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:08,805 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:08,805 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-08-05 10:42:09,045 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:42:09,052 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-08-05 10:42:09,053 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:09,180 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:42:09,180 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:09,181 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:09,181 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-08-05 10:42:09,440 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:42:09,449 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-08-05 10:42:09,451 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:09,581 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:42:09,581 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:09,582 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:09,582 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-08-05 10:42:09,838 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:42:09,846 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-08-05 10:42:09,848 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:09,981 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:42:09,982 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:09,982 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:09,983 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-08-05 10:42:10,264 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:42:10,272 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-08-05 10:42:10,273 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:10,412 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-05 10:42:10,412 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:10,412 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:10,413 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-08-05 10:42:10,693 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-05 10:42:10,984 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-05 10:42:11,025 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:42:11,025 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:42:11,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2019-08-05 10:42:11,025 INFO L454 AbstractCegarLoop]: Interpolant automaton has 45 states [2019-08-05 10:42:11,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2019-08-05 10:42:11,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2019-08-05 10:42:11,026 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 45 states. [2019-08-05 10:42:14,818 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-08-05 10:42:14,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:42:14,881 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2019-08-05 10:42:14,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-08-05 10:42:14,881 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 44 [2019-08-05 10:42:14,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:42:14,882 INFO L225 Difference]: With dead ends: 47 [2019-08-05 10:42:14,882 INFO L226 Difference]: Without dead ends: 46 [2019-08-05 10:42:14,883 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=91, Invalid=1979, Unknown=0, NotChecked=0, Total=2070 [2019-08-05 10:42:14,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-08-05 10:42:14,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-08-05 10:42:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-08-05 10:42:14,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2019-08-05 10:42:14,885 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 44 [2019-08-05 10:42:14,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:42:14,885 INFO L475 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2019-08-05 10:42:14,885 INFO L476 AbstractCegarLoop]: Interpolant automaton has 45 states. [2019-08-05 10:42:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2019-08-05 10:42:14,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-08-05 10:42:14,886 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:42:14,886 INFO L399 BasicCegarLoop]: trace histogram [42, 1, 1, 1] [2019-08-05 10:42:14,886 INFO L418 AbstractCegarLoop]: === Iteration 43 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:42:14,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:42:14,886 INFO L82 PathProgramCache]: Analyzing trace with hash 21543136, now seen corresponding path program 42 times [2019-08-05 10:42:14,887 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:42:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:42:15,425 WARN L254 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 131 conjunts are in the unsatisfiable core [2019-08-05 10:42:15,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:42:15,458 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:42:15,458 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,469 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:15,469 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,469 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:42:15,486 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:42:15,486 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,492 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:15,492 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,492 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:42:15,504 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:42:15,504 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,512 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:15,512 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,512 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:42:15,525 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:42:15,525 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,534 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:15,535 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,535 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:42:15,553 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:42:15,554 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,565 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:15,565 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,566 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:42:15,616 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:42:15,616 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,628 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:15,628 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,628 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:42:15,651 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:42:15,652 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,667 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:15,668 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,668 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:42:15,696 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:42:15,696 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,713 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:15,714 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,714 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:42:15,746 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:42:15,746 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,765 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:15,766 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,766 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:42:15,801 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:42:15,802 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,823 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:15,824 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,824 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:42:15,862 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:42:15,862 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,886 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:15,886 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,886 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:42:15,927 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:42:15,928 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,955 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:15,955 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:15,955 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:42:16,005 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:42:16,006 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,036 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:16,037 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,037 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:42:16,092 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:42:16,093 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,126 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:16,127 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,127 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:42:16,184 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:42:16,185 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,220 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:16,221 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,221 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:42:16,291 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:42:16,292 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,339 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:16,340 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,340 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:42:16,447 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:42:16,447 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,511 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:16,511 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,511 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:42:16,603 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:42:16,604 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,661 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:16,661 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,661 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:42:16,739 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:42:16,740 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,788 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:16,789 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,789 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:42:16,880 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:42:16,881 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,934 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:16,934 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:16,935 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:42:17,049 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:42:17,050 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:17,107 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:17,108 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:17,108 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:42:17,212 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:42:17,214 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:17,273 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:17,274 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:17,274 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:42:17,398 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:42:17,399 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:17,459 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:17,460 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:17,460 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:42:17,579 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:42:17,579 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:17,642 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:17,642 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:17,643 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:42:17,769 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:42:17,770 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:17,842 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:17,842 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:17,843 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:42:17,974 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:42:17,975 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:18,050 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:18,050 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:18,051 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:42:18,212 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:42:18,213 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:18,288 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:18,288 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:18,289 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:42:18,446 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:42:18,447 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:18,526 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:18,526 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:18,526 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:42:18,685 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:42:18,686 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:18,774 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:18,775 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:18,775 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:42:18,950 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:42:18,951 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:19,040 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:19,040 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:19,041 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:42:19,225 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:42:19,225 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:19,321 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:19,321 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:19,322 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:42:19,508 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:42:19,509 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:19,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:19,609 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:19,609 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:42:19,795 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-08-05 10:42:19,796 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:19,901 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:42:19,902 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:19,902 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:19,902 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-08-05 10:42:20,105 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-08-05 10:42:20,106 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:20,210 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:42:20,211 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:20,211 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:20,212 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-08-05 10:42:20,417 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:42:20,425 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-08-05 10:42:20,426 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:20,583 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:42:20,584 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:20,584 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:20,584 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-08-05 10:42:20,816 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:42:20,824 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-08-05 10:42:20,825 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:20,943 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:42:20,943 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:20,944 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:20,944 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-08-05 10:42:21,171 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:42:21,180 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-08-05 10:42:21,181 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:21,305 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:42:21,305 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:21,306 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:21,306 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-08-05 10:42:21,594 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:42:21,604 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-08-05 10:42:21,605 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:21,760 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:42:21,760 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:21,760 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:21,761 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-08-05 10:42:22,054 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:42:22,063 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-08-05 10:42:22,064 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:22,197 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:42:22,197 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:22,198 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:22,198 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-08-05 10:42:22,482 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:42:22,490 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-08-05 10:42:22,491 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:22,634 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:42:22,635 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:22,635 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:22,636 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-08-05 10:42:22,926 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:42:22,933 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-08-05 10:42:22,934 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:23,070 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-05 10:42:23,071 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:23,071 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:23,071 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-08-05 10:42:23,359 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-05 10:42:23,367 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-08-05 10:42:23,368 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:23,515 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-08-05 10:42:23,515 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:23,516 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:23,516 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-08-05 10:42:23,807 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-08-05 10:42:24,115 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-08-05 10:42:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:42:24,155 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:42:24,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2019-08-05 10:42:24,155 INFO L454 AbstractCegarLoop]: Interpolant automaton has 46 states [2019-08-05 10:42:24,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2019-08-05 10:42:24,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2019-08-05 10:42:24,156 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 46 states. [2019-08-05 10:42:28,086 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-05 10:42:28,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:42:28,145 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2019-08-05 10:42:28,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2019-08-05 10:42:28,146 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 45 [2019-08-05 10:42:28,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:42:28,146 INFO L225 Difference]: With dead ends: 48 [2019-08-05 10:42:28,146 INFO L226 Difference]: Without dead ends: 47 [2019-08-05 10:42:28,147 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=93, Invalid=2069, Unknown=0, NotChecked=0, Total=2162 [2019-08-05 10:42:28,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-08-05 10:42:28,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-08-05 10:42:28,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-08-05 10:42:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2019-08-05 10:42:28,148 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2019-08-05 10:42:28,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:42:28,149 INFO L475 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2019-08-05 10:42:28,149 INFO L476 AbstractCegarLoop]: Interpolant automaton has 46 states. [2019-08-05 10:42:28,149 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2019-08-05 10:42:28,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-08-05 10:42:28,149 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:42:28,150 INFO L399 BasicCegarLoop]: trace histogram [43, 1, 1, 1] [2019-08-05 10:42:28,150 INFO L418 AbstractCegarLoop]: === Iteration 44 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:42:28,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:42:28,150 INFO L82 PathProgramCache]: Analyzing trace with hash 667835270, now seen corresponding path program 43 times [2019-08-05 10:42:28,151 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:42:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:42:28,770 WARN L254 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 134 conjunts are in the unsatisfiable core [2019-08-05 10:42:28,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:42:28,805 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:42:28,805 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,808 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:28,808 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,808 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:42:28,815 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:42:28,816 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,821 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:28,822 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,822 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:42:28,836 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:42:28,836 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,844 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:28,844 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,845 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:42:28,858 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:42:28,859 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,868 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:28,869 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,869 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:42:28,885 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:42:28,886 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,896 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:28,897 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,897 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:42:28,918 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:42:28,918 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,931 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:28,932 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,932 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:42:28,955 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:42:28,955 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,969 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:28,969 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:28,969 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:42:28,996 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:42:28,996 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,012 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:29,013 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,013 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:42:29,043 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:42:29,044 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,064 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:29,064 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,065 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:42:29,099 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:42:29,099 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,121 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:29,122 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,122 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:42:29,185 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:42:29,186 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,224 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:29,224 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,224 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:42:29,309 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:42:29,310 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,335 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:29,335 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,335 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:42:29,383 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:42:29,384 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,414 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:29,414 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,415 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:42:29,468 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:42:29,469 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,502 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:29,503 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,503 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:42:29,563 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:42:29,563 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,597 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:29,597 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,597 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:42:29,676 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:42:29,677 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,714 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:29,714 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,714 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:42:29,783 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:42:29,783 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,822 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:29,823 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,823 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:42:29,895 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:42:29,896 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,938 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:29,938 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:29,938 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:42:30,031 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:42:30,032 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:30,077 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:30,077 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:30,077 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:42:30,177 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:42:30,177 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:30,227 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:30,227 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:30,228 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:42:30,318 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:42:30,319 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:30,375 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:30,375 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:30,375 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:42:30,487 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:42:30,488 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:30,547 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:30,548 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:30,548 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:42:30,657 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:42:30,658 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:30,719 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:30,719 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:30,719 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:42:30,848 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:42:30,849 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:30,916 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:30,916 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:30,916 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:42:31,046 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:42:31,048 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:31,118 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:31,118 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:31,118 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:42:31,247 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:42:31,248 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:31,320 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:31,320 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:31,320 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:42:31,473 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:42:31,475 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:31,549 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:31,550 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:31,550 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:42:31,719 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:42:31,720 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:31,835 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-08-05 10:42:31,836 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:31,836 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:31,836 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:42:32,023 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:42:32,024 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:32,116 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:32,116 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:32,116 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:42:32,302 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-05 10:42:32,307 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:42:32,308 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:32,397 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:32,397 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:32,397 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:42:32,582 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:42:32,583 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:32,674 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:32,674 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:32,674 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:42:32,866 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:42:32,867 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:32,965 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:32,965 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:32,965 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:42:33,164 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-08-05 10:42:33,165 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:33,268 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:42:33,269 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:33,269 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:33,269 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-08-05 10:42:33,466 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-08-05 10:42:33,467 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:33,582 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:42:33,583 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:33,583 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:33,584 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-08-05 10:42:33,805 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:42:33,813 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-08-05 10:42:33,814 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:33,925 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:42:33,925 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:33,925 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:33,926 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-08-05 10:42:34,152 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:42:34,159 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-08-05 10:42:34,160 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:34,278 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:42:34,278 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:34,279 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:34,279 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-08-05 10:42:34,505 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:42:34,513 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-08-05 10:42:34,514 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:34,631 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:42:34,632 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:34,632 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:34,632 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-08-05 10:42:34,877 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:42:34,886 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-08-05 10:42:34,887 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:35,009 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:42:35,010 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:35,010 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:35,010 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-08-05 10:42:35,257 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:42:35,266 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-08-05 10:42:35,267 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:35,397 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:42:35,398 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:35,398 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:35,399 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-08-05 10:42:35,650 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:42:35,657 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-08-05 10:42:35,658 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:35,796 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:42:35,797 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:35,797 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:35,797 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-08-05 10:42:36,066 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:42:36,074 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-08-05 10:42:36,075 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:36,221 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-05 10:42:36,222 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:36,222 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:36,222 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-08-05 10:42:36,502 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-05 10:42:36,528 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-08-05 10:42:36,529 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:36,677 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-08-05 10:42:36,677 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:36,677 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:36,677 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-08-05 10:42:37,011 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-08-05 10:42:37,023 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-08-05 10:42:37,024 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:37,207 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-05 10:42:37,207 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:37,207 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:37,207 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-08-05 10:42:37,520 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-05 10:42:37,835 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-05 10:42:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:42:37,879 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:42:37,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2019-08-05 10:42:37,880 INFO L454 AbstractCegarLoop]: Interpolant automaton has 47 states [2019-08-05 10:42:37,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2019-08-05 10:42:37,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2019-08-05 10:42:37,880 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 47 states. [2019-08-05 10:42:42,113 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-08-05 10:42:42,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:42:42,191 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2019-08-05 10:42:42,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-08-05 10:42:42,196 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 46 [2019-08-05 10:42:42,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:42:42,196 INFO L225 Difference]: With dead ends: 49 [2019-08-05 10:42:42,196 INFO L226 Difference]: Without dead ends: 48 [2019-08-05 10:42:42,197 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=95, Invalid=2161, Unknown=0, NotChecked=0, Total=2256 [2019-08-05 10:42:42,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-08-05 10:42:42,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2019-08-05 10:42:42,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-08-05 10:42:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2019-08-05 10:42:42,198 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 46 [2019-08-05 10:42:42,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:42:42,199 INFO L475 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2019-08-05 10:42:42,199 INFO L476 AbstractCegarLoop]: Interpolant automaton has 47 states. [2019-08-05 10:42:42,199 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2019-08-05 10:42:42,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-08-05 10:42:42,199 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:42:42,199 INFO L399 BasicCegarLoop]: trace histogram [44, 1, 1, 1] [2019-08-05 10:42:42,199 INFO L418 AbstractCegarLoop]: === Iteration 45 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:42:42,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:42:42,200 INFO L82 PathProgramCache]: Analyzing trace with hash -771945056, now seen corresponding path program 44 times [2019-08-05 10:42:42,200 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:42:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:42:42,830 WARN L254 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 137 conjunts are in the unsatisfiable core [2019-08-05 10:42:42,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:42:42,866 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:42:42,867 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:42,870 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:42,870 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:42,871 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:42:42,883 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:42:42,883 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:42,889 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:42,889 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:42,889 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:42:42,900 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:42:42,900 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:42,907 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:42,907 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:42,907 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:42:42,939 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:42:42,939 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:42,968 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:42,968 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:42,968 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:42:43,008 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:42:43,008 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,023 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:43,024 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,024 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:42:43,071 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:42:43,071 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,090 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:43,091 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,091 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:42:43,113 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:42:43,113 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,129 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:43,129 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,129 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:42:43,162 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:42:43,163 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,180 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:43,181 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,181 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:42:43,211 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:42:43,211 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,230 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:43,231 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,231 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:42:43,266 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:42:43,267 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,287 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:43,287 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,287 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:42:43,327 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:42:43,328 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,352 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:43,353 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,353 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:42:43,397 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:42:43,397 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,424 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:43,424 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,425 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:42:43,470 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:42:43,471 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:43,502 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,502 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:42:43,559 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:42:43,560 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,593 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:43,593 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,594 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:42:43,650 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:42:43,651 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,685 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:43,686 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,686 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:42:43,749 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:42:43,750 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,790 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:43,790 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,790 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:42:43,861 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:42:43,861 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,902 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:43,903 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:43,903 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:42:43,977 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:42:43,977 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,022 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:44,022 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,022 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:42:44,109 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:42:44,110 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,156 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:44,157 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,157 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:42:44,252 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:42:44,253 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,304 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:44,305 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,305 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:42:44,403 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:42:44,403 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,460 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:44,461 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,461 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:42:44,566 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:42:44,567 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,625 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:44,625 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,626 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:42:44,732 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:42:44,733 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,796 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:44,797 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,797 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:42:44,919 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:42:44,919 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,980 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:44,981 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:44,981 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:42:45,110 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:42:45,111 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:45,178 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:45,179 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:45,179 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:42:45,318 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:42:45,319 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:45,393 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:45,393 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:45,393 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:42:45,534 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:42:45,535 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:45,615 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:45,615 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:45,615 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:42:45,765 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:42:45,766 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:45,849 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:45,849 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:45,849 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:42:46,006 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:42:46,007 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:46,086 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:46,087 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:46,087 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:42:46,244 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:42:46,245 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:46,343 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:46,344 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:46,344 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:42:46,521 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:42:46,522 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:46,619 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:46,619 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:46,620 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:42:46,802 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:42:46,803 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:46,903 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-05 10:42:46,904 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:46,904 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:46,904 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:42:47,169 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-05 10:42:47,182 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-08-05 10:42:47,183 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:47,305 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:42:47,306 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:47,306 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:47,306 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-08-05 10:42:47,520 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:42:47,528 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-08-05 10:42:47,529 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:47,639 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:42:47,640 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:47,640 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:47,641 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-08-05 10:42:47,845 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:42:47,852 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-08-05 10:42:47,853 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:47,963 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:42:47,964 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:47,964 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:47,964 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-08-05 10:42:48,191 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:42:48,198 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-08-05 10:42:48,199 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:48,312 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:42:48,312 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:48,313 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:48,313 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-08-05 10:42:48,548 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:42:48,555 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-08-05 10:42:48,556 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:48,671 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:42:48,671 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:48,672 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:48,672 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-08-05 10:42:48,911 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:42:48,918 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-08-05 10:42:48,919 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:49,046 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:42:49,047 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:49,047 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:49,047 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-08-05 10:42:49,296 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:42:49,304 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-08-05 10:42:49,305 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:49,425 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:42:49,426 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:49,426 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:49,426 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-08-05 10:42:49,694 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:42:49,702 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-08-05 10:42:49,703 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:49,833 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:42:49,833 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:49,834 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:49,834 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-08-05 10:42:50,109 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:42:50,118 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-08-05 10:42:50,119 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:50,260 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-05 10:42:50,260 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:50,261 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:50,261 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-08-05 10:42:50,550 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-05 10:42:50,559 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-08-05 10:42:50,560 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:50,708 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-08-05 10:42:50,709 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:50,709 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:50,709 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-08-05 10:42:50,999 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-08-05 10:42:51,010 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-08-05 10:42:51,011 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:51,167 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-05 10:42:51,167 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:51,168 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:51,168 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-08-05 10:42:51,471 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-05 10:42:51,481 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 946 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 350 [2019-08-05 10:42:51,482 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:51,665 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-08-05 10:42:51,665 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:51,665 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:51,666 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:225, output treesize:224 [2019-08-05 10:42:51,990 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-08-05 10:42:52,338 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-08-05 10:42:52,381 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:42:52,381 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:42:52,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2019-08-05 10:42:52,381 INFO L454 AbstractCegarLoop]: Interpolant automaton has 48 states [2019-08-05 10:42:52,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2019-08-05 10:42:52,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2019-08-05 10:42:52,382 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 48 states. [2019-08-05 10:42:56,852 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-08-05 10:42:56,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:42:56,924 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2019-08-05 10:42:56,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2019-08-05 10:42:56,924 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 47 [2019-08-05 10:42:56,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:42:56,925 INFO L225 Difference]: With dead ends: 50 [2019-08-05 10:42:56,925 INFO L226 Difference]: Without dead ends: 49 [2019-08-05 10:42:56,926 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=97, Invalid=2255, Unknown=0, NotChecked=0, Total=2352 [2019-08-05 10:42:56,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-08-05 10:42:56,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-08-05 10:42:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-08-05 10:42:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2019-08-05 10:42:56,928 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 47 [2019-08-05 10:42:56,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:42:56,929 INFO L475 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2019-08-05 10:42:56,929 INFO L476 AbstractCegarLoop]: Interpolant automaton has 48 states. [2019-08-05 10:42:56,929 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2019-08-05 10:42:56,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-08-05 10:42:56,929 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:42:56,929 INFO L399 BasicCegarLoop]: trace histogram [45, 1, 1, 1] [2019-08-05 10:42:56,930 INFO L418 AbstractCegarLoop]: === Iteration 46 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:42:56,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:42:56,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1839505094, now seen corresponding path program 45 times [2019-08-05 10:42:56,931 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:42:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:42:57,568 WARN L254 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 140 conjunts are in the unsatisfiable core [2019-08-05 10:42:57,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:42:57,586 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:42:57,587 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,612 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:57,612 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,612 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:42:57,640 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:42:57,641 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,660 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:57,661 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,661 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:42:57,684 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:42:57,684 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,692 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:57,692 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,692 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:42:57,705 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:42:57,706 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,732 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:57,732 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,732 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:42:57,750 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:42:57,750 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,761 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:57,761 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,762 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:42:57,780 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:42:57,781 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,794 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:57,795 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,795 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:42:57,818 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:42:57,818 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,833 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:57,834 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,834 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:42:57,861 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:42:57,862 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,880 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:57,880 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,880 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:42:57,909 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:42:57,909 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,929 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:57,930 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,930 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:42:57,967 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:42:57,967 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,988 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:57,988 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:57,988 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:42:58,029 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:42:58,030 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,053 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:58,053 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,054 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:42:58,097 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:42:58,097 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,125 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:58,126 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,126 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:42:58,175 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:42:58,176 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,203 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:58,204 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,204 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:42:58,256 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:42:58,257 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,290 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:58,290 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,290 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:42:58,351 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:42:58,351 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,385 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:58,385 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,385 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:42:58,447 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:42:58,448 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,482 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:58,482 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,482 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:42:58,546 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:42:58,547 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,588 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:58,589 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,589 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:42:58,661 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:42:58,662 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,703 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:58,703 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,703 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 [2019-08-05 10:42:58,786 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 171 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 150 [2019-08-05 10:42:58,787 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,834 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:58,834 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,834 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:99 [2019-08-05 10:42:58,921 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 190 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 158 [2019-08-05 10:42:58,922 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,970 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:58,971 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:58,971 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:105, output treesize:104 [2019-08-05 10:42:59,063 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 20 select indices, 20 select index equivalence classes, 210 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 166 [2019-08-05 10:42:59,064 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:59,119 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:59,119 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:59,120 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:109 [2019-08-05 10:42:59,218 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 231 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 174 [2019-08-05 10:42:59,219 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:59,274 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:59,275 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:59,275 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:115, output treesize:114 [2019-08-05 10:42:59,383 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 253 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 182 [2019-08-05 10:42:59,385 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:59,446 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:59,447 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:59,447 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:119 [2019-08-05 10:42:59,569 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 23 select indices, 23 select index equivalence classes, 276 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 190 [2019-08-05 10:42:59,570 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:59,640 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:59,640 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:59,640 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:124 [2019-08-05 10:42:59,763 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 24 select indices, 24 select index equivalence classes, 300 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 198 [2019-08-05 10:42:59,764 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:42:59,833 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:42:59,834 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:42:59,834 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:130, output treesize:129 [2019-08-05 10:42:59,973 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 25 select indices, 25 select index equivalence classes, 325 disjoint index pairs (out of 300 index pairs), introduced 25 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 206 [2019-08-05 10:42:59,974 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:00,046 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:00,047 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:00,047 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:134 [2019-08-05 10:43:00,196 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 26 select indices, 26 select index equivalence classes, 351 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 214 [2019-08-05 10:43:00,197 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:00,273 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:00,274 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:00,274 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:140, output treesize:139 [2019-08-05 10:43:00,427 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 27 select indices, 27 select index equivalence classes, 378 disjoint index pairs (out of 351 index pairs), introduced 27 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 222 [2019-08-05 10:43:00,429 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:00,511 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:00,511 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:00,511 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:145, output treesize:144 [2019-08-05 10:43:00,673 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 406 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 230 [2019-08-05 10:43:00,674 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:00,756 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:00,757 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:00,757 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:150, output treesize:149 [2019-08-05 10:43:00,924 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 435 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 238 [2019-08-05 10:43:00,925 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:01,017 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:01,018 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:01,018 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:155, output treesize:154 [2019-08-05 10:43:01,197 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 30 select indices, 30 select index equivalence classes, 465 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 246 [2019-08-05 10:43:01,199 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:01,294 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:01,294 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:01,295 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:160, output treesize:159 [2019-08-05 10:43:01,495 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 496 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 254 [2019-08-05 10:43:01,496 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:01,600 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-05 10:43:01,600 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:01,601 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:01,601 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:165, output treesize:164 [2019-08-05 10:43:01,797 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 32 select indices, 32 select index equivalence classes, 528 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 262 [2019-08-05 10:43:01,798 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:01,914 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:43:01,915 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:01,915 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:01,915 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:170, output treesize:169 [2019-08-05 10:43:02,121 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-05 10:43:02,132 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 33 select indices, 33 select index equivalence classes, 561 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 0 case distinctions, treesize of input 172 treesize of output 270 [2019-08-05 10:43:02,133 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:02,250 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:43:02,251 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:02,251 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:02,251 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:174 [2019-08-05 10:43:02,495 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-05 10:43:02,506 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 34 select indices, 34 select index equivalence classes, 595 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 177 treesize of output 278 [2019-08-05 10:43:02,507 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:02,658 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:43:02,659 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:02,659 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:02,659 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:180, output treesize:179 [2019-08-05 10:43:02,916 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-05 10:43:02,924 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 35 select indices, 35 select index equivalence classes, 630 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 286 [2019-08-05 10:43:02,925 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:03,042 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:43:03,042 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:03,043 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:03,043 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:185, output treesize:184 [2019-08-05 10:43:03,295 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-05 10:43:03,303 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 36 select indices, 36 select index equivalence classes, 666 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 294 [2019-08-05 10:43:03,304 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:03,424 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:43:03,424 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:03,425 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:03,425 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:190, output treesize:189 [2019-08-05 10:43:03,653 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-08-05 10:43:03,661 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 302 [2019-08-05 10:43:03,662 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:03,791 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:43:03,791 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:03,791 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:03,792 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:195, output treesize:194 [2019-08-05 10:43:04,049 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-05 10:43:04,060 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 741 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 310 [2019-08-05 10:43:04,061 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:04,195 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:43:04,195 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:04,195 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:04,196 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:200, output treesize:199 [2019-08-05 10:43:04,465 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-05 10:43:04,473 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 780 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 318 [2019-08-05 10:43:04,474 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:04,608 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:43:04,608 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:04,609 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:04,609 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:205, output treesize:204 [2019-08-05 10:43:04,865 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-05 10:43:04,873 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 40 select indices, 40 select index equivalence classes, 820 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 326 [2019-08-05 10:43:04,874 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:05,009 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-05 10:43:05,009 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:05,009 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:05,010 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:209 [2019-08-05 10:43:05,272 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-05 10:43:05,282 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 41 select indices, 41 select index equivalence classes, 861 disjoint index pairs (out of 820 index pairs), introduced 41 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 334 [2019-08-05 10:43:05,283 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:05,431 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-08-05 10:43:05,432 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:05,432 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:05,433 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:215, output treesize:214 [2019-08-05 10:43:05,721 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-08-05 10:43:05,730 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 42 select indices, 42 select index equivalence classes, 903 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 342 [2019-08-05 10:43:05,731 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:05,886 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-05 10:43:05,886 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:05,887 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:05,887 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:220, output treesize:219 [2019-08-05 10:43:06,203 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-05 10:43:06,212 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 43 select indices, 43 select index equivalence classes, 946 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 350 [2019-08-05 10:43:06,213 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:06,373 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-08-05 10:43:06,374 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:06,374 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:06,375 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:225, output treesize:224 [2019-08-05 10:43:06,702 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-08-05 10:43:06,710 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 44 select indices, 44 select index equivalence classes, 990 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 358 [2019-08-05 10:43:06,711 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:06,873 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-08-05 10:43:06,874 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:06,874 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:06,874 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:230, output treesize:229 [2019-08-05 10:43:07,208 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-08-05 10:43:07,619 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-08-05 10:43:07,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:43:07,666 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:43:07,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2019-08-05 10:43:07,666 INFO L454 AbstractCegarLoop]: Interpolant automaton has 49 states [2019-08-05 10:43:07,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2019-08-05 10:43:07,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2019-08-05 10:43:07,667 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 49 states. [2019-08-05 10:43:12,507 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-08-05 10:43:12,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:43:12,580 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2019-08-05 10:43:12,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-08-05 10:43:12,581 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 48 [2019-08-05 10:43:12,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:43:12,582 INFO L225 Difference]: With dead ends: 51 [2019-08-05 10:43:12,582 INFO L226 Difference]: Without dead ends: 50 [2019-08-05 10:43:12,582 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=99, Invalid=2351, Unknown=0, NotChecked=0, Total=2450 [2019-08-05 10:43:12,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-08-05 10:43:12,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-08-05 10:43:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-08-05 10:43:12,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2019-08-05 10:43:12,584 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 48 [2019-08-05 10:43:12,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:43:12,585 INFO L475 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2019-08-05 10:43:12,585 INFO L476 AbstractCegarLoop]: Interpolant automaton has 49 states. [2019-08-05 10:43:12,585 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2019-08-05 10:43:12,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-08-05 10:43:12,585 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:43:12,585 INFO L399 BasicCegarLoop]: trace histogram [46, 1, 1, 1] [2019-08-05 10:43:12,586 INFO L418 AbstractCegarLoop]: === Iteration 47 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:43:12,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:43:12,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1190081120, now seen corresponding path program 46 times [2019-08-05 10:43:12,586 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:43:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:43:13,349 WARN L254 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 143 conjunts are in the unsatisfiable core [2019-08-05 10:43:13,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:43:13,394 INFO L375 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 10:43:13,394 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,409 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:13,410 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,410 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-08-05 10:43:13,418 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-05 10:43:13,418 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,424 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:13,425 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,425 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-08-05 10:43:13,435 INFO L375 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2019-08-05 10:43:13,435 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,443 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:13,443 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,443 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:19 [2019-08-05 10:43:13,459 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2019-08-05 10:43:13,459 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,471 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:13,471 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,471 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2019-08-05 10:43:13,491 INFO L375 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 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2019-08-05 10:43:13,492 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,509 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:13,509 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,509 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2019-08-05 10:43:13,529 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2019-08-05 10:43:13,530 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,543 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:13,543 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,543 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:34 [2019-08-05 10:43:13,566 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2019-08-05 10:43:13,566 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,581 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:13,582 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,582 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:39 [2019-08-05 10:43:13,608 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2019-08-05 10:43:13,609 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,627 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:13,627 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,628 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:44 [2019-08-05 10:43:13,659 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 70 [2019-08-05 10:43:13,660 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,680 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:13,680 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,680 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:49 [2019-08-05 10:43:13,715 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 78 [2019-08-05 10:43:13,715 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,735 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:13,736 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,736 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2019-08-05 10:43:13,775 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 86 [2019-08-05 10:43:13,776 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,899 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-08-05 10:43:13,900 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:13,900 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,900 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2019-08-05 10:43:13,952 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 94 [2019-08-05 10:43:13,953 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,980 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:13,980 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:13,981 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2019-08-05 10:43:14,035 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 102 [2019-08-05 10:43:14,036 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:14,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:14,084 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:14,085 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2019-08-05 10:43:14,138 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 110 [2019-08-05 10:43:14,138 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:14,169 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:14,169 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:14,170 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:74 [2019-08-05 10:43:14,228 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 118 [2019-08-05 10:43:14,229 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:14,265 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:14,265 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:14,266 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2019-08-05 10:43:14,328 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 126 [2019-08-05 10:43:14,329 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:14,360 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:14,361 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:14,361 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:84 [2019-08-05 10:43:14,436 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 134 [2019-08-05 10:43:14,437 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:14,479 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:14,479 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:14,480 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:89 [2019-08-05 10:43:14,551 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 153 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 142 [2019-08-05 10:43:14,552 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 10:43:14,594 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 10:43:14,594 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 10:43:14,594 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:94 Received shutdown request... [2019-08-05 10:43:14,602 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2019-08-05 10:43:14,602 WARN L544 AbstractCegarLoop]: Verification canceled [2019-08-05 10:43:14,606 WARN L223 ceAbstractionStarter]: Timeout [2019-08-05 10:43:14,607 INFO L202 PluginConnector]: Adding new model ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:43:14 BoogieIcfgContainer [2019-08-05 10:43:14,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:43:14,608 INFO L168 Benchmark]: Toolchain (without parser) took 246154.93 ms. Allocated memory was 141.6 MB in the beginning and 1.0 GB in the end (delta: 899.7 MB). Free memory was 109.7 MB in the beginning and 856.8 MB in the end (delta: -747.1 MB). Peak memory consumption was 152.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:14,608 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 111.0 MB in the beginning and 110.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 10:43:14,608 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.47 ms. Allocated memory is still 141.6 MB. Free memory was 109.7 MB in the beginning and 107.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:14,608 INFO L168 Benchmark]: Boogie Preprocessor took 26.26 ms. Allocated memory is still 141.6 MB. Free memory was 107.8 MB in the beginning and 106.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:14,608 INFO L168 Benchmark]: RCFGBuilder took 330.66 ms. Allocated memory is still 141.6 MB. Free memory was 106.6 MB in the beginning and 97.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:14,608 INFO L168 Benchmark]: TraceAbstraction took 245750.88 ms. Allocated memory was 141.6 MB in the beginning and 1.0 GB in the end (delta: 899.7 MB). Free memory was 97.0 MB in the beginning and 856.8 MB in the end (delta: -759.9 MB). Peak memory consumption was 139.8 MB. Max. memory is 7.1 GB. [2019-08-05 10:43:14,609 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 111.0 MB in the beginning and 110.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.47 ms. Allocated memory is still 141.6 MB. Free memory was 109.7 MB in the beginning and 107.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.26 ms. Allocated memory is still 141.6 MB. Free memory was 107.8 MB in the beginning and 106.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 330.66 ms. Allocated memory is still 141.6 MB. Free memory was 106.6 MB in the beginning and 97.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 245750.88 ms. Allocated memory was 141.6 MB in the beginning and 1.0 GB in the end (delta: 899.7 MB). Free memory was 97.0 MB in the beginning and 856.8 MB in the end (delta: -759.9 MB). Peak memory consumption was 139.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 34]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 34). Cancelled while BasicCegarLoop was analyzing trace of length 50 with TraceHistMax 46,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 20 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. TIMEOUT Result, 245.6s OverallTime, 47 OverallIterations, 46 TraceHistogramMax, 69.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 94 SDtfs, 45 SDslu, 92 SDs, 0 SdLazy, 37923 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 56.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1172 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 103.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 46 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 10.0s SatisfiabilityAnalysisTime, 163.9s InterpolantComputationTime, 1173 NumberOfCodeBlocks, 1173 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1127 ConstructedInterpolants, 2 QuantifiedInterpolants, 3231176 SizeOfPredicates, 93 NumberOfNonLiveVariables, 4600 ConjunctsInSsa, 3333 ConjunctsInUnsatCore, 46 InterpolantComputations, 1 PerfectInterpolantSequences, 0/16215 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown