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/InvariantSum-2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:41:44,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:41:44,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:41:44,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:41:44,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:41:44,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:41:44,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:41:44,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:41:44,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:41:44,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:41:44,711 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:41:44,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:41:44,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:41:44,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:41:44,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:41:44,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:41:44,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:41:44,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:41:44,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:41:44,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:41:44,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:41:44,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:41:44,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:41:44,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:41:44,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 10:41:44,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:41:44,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:41:44,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:41:44,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:41:44,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:41:44,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:41:44,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:41:44,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:41:44,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:41:44,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:41:44,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:41:44,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:41:44,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:41:44,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:41:44,799 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:41:44,800 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:41:44,800 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSum-2.bpl [2019-08-05 10:41:44,801 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSum-2.bpl' [2019-08-05 10:41:44,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:41:44,832 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:41:44,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:41:44,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:41:44,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:41:44,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:41:44" (1/1) ... [2019-08-05 10:41:44,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:41:44" (1/1) ... [2019-08-05 10:41:44,863 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:41:44,863 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:41:44,864 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:41:44,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:41:44,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:41:44,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:41:44,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:41:44,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:41:44" (1/1) ... [2019-08-05 10:41:44,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:41:44" (1/1) ... [2019-08-05 10:41:44,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:41:44" (1/1) ... [2019-08-05 10:41:44,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:41:44" (1/1) ... [2019-08-05 10:41:44,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:41:44" (1/1) ... [2019-08-05 10:41:44,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:41:44" (1/1) ... [2019-08-05 10:41:44,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:41:44" (1/1) ... [2019-08-05 10:41:44,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:41:44,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:41:44,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:41:44,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:41:44,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:41:44" (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 10:41:44,958 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:41:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:41:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:41:45,379 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:41:45,380 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:41:45,383 INFO L202 PluginConnector]: Adding new model InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:41:45 BoogieIcfgContainer [2019-08-05 10:41:45,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:41:45,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:41:45,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:41:45,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:41:45,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:41:44" (1/2) ... [2019-08-05 10:41:45,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd09e9 and model type InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:41:45, skipping insertion in model container [2019-08-05 10:41:45,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "InvariantSum-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:41:45" (2/2) ... [2019-08-05 10:41:45,393 INFO L109 eAbstractionObserver]: Analyzing ICFG InvariantSum-2.bpl [2019-08-05 10:41:45,404 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:41:45,414 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:41:45,430 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:41:45,453 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:41:45,454 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:41:45,455 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:41:45,455 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:41:45,455 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:41:45,455 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:41:45,455 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:41:45,455 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:41:45,456 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:41:45,469 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-08-05 10:41:45,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 10:41:45,477 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:45,478 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 10:41:45,481 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:45,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:45,487 INFO L82 PathProgramCache]: Analyzing trace with hash 30368, now seen corresponding path program 1 times [2019-08-05 10:41:45,530 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:45,565 WARN L254 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2019-08-05 10:41:45,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:45,712 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 10:41:45,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:41:45,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:41:45,719 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:41:45,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:41:45,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:41:45,734 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 4 states. [2019-08-05 10:41:45,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:45,828 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-08-05 10:41:45,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:41:45,829 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-08-05 10:41:45,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:45,842 INFO L225 Difference]: With dead ends: 8 [2019-08-05 10:41:45,842 INFO L226 Difference]: Without dead ends: 5 [2019-08-05 10:41:45,844 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:41:45,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-08-05 10:41:45,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-08-05 10:41:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-08-05 10:41:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-08-05 10:41:45,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-08-05 10:41:45,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:45,874 INFO L475 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-08-05 10:41:45,875 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:41:45,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-08-05 10:41:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:41:45,875 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:45,876 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:41:45,876 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:45,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:45,877 INFO L82 PathProgramCache]: Analyzing trace with hash 951006, now seen corresponding path program 1 times [2019-08-05 10:41:45,878 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:45,919 WARN L254 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 13 conjunts are in the unsatisfiable core [2019-08-05 10:41:45,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:46,053 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:46,054 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:46,060 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:46,779 WARN L188 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-08-05 10:41:47,186 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2019-08-05 10:41:47,189 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 10:41:47,189 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:47,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-05 10:41:47,191 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 10:41:47,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 10:41:47,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:41:47,192 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 5 states. [2019-08-05 10:41:47,712 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2019-08-05 10:41:47,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:47,775 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-08-05 10:41:47,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 10:41:47,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2019-08-05 10:41:47,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:47,776 INFO L225 Difference]: With dead ends: 7 [2019-08-05 10:41:47,777 INFO L226 Difference]: Without dead ends: 6 [2019-08-05 10:41:47,778 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:41:47,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-08-05 10:41:47,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-08-05 10:41:47,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-08-05 10:41:47,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-08-05 10:41:47,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-08-05 10:41:47,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:47,782 INFO L475 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-08-05 10:41:47,782 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 10:41:47,782 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-08-05 10:41:47,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-08-05 10:41:47,782 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:47,783 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2019-08-05 10:41:47,783 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:47,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:47,783 INFO L82 PathProgramCache]: Analyzing trace with hash 29490784, now seen corresponding path program 2 times [2019-08-05 10:41:47,785 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:47,862 WARN L254 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 16 conjunts are in the unsatisfiable core [2019-08-05 10:41:47,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:47,921 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:47,922 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:47,923 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:48,104 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-08-05 10:41:48,110 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:48,112 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:48,114 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:48,118 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:48,125 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:48,126 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:41:48,127 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:48,129 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:48,131 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:48,134 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:48,988 WARN L188 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 71 [2019-08-05 10:41:49,405 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2019-08-05 10:41:49,409 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 10:41:49,409 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:49,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-08-05 10:41:49,410 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-08-05 10:41:49,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-08-05 10:41:49,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:41:49,411 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 6 states. [2019-08-05 10:41:49,919 WARN L188 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-08-05 10:41:49,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:49,935 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-08-05 10:41:49,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-08-05 10:41:49,935 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2019-08-05 10:41:49,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:49,936 INFO L225 Difference]: With dead ends: 8 [2019-08-05 10:41:49,936 INFO L226 Difference]: Without dead ends: 7 [2019-08-05 10:41:49,937 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-08-05 10:41:49,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-08-05 10:41:49,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-08-05 10:41:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 10:41:49,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-05 10:41:49,940 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2019-08-05 10:41:49,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:49,941 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-05 10:41:49,941 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-08-05 10:41:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-05 10:41:49,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:41:49,941 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:49,941 INFO L399 BasicCegarLoop]: trace histogram [3, 1, 1, 1] [2019-08-05 10:41:49,942 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:49,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:49,942 INFO L82 PathProgramCache]: Analyzing trace with hash 914223902, now seen corresponding path program 3 times [2019-08-05 10:41:49,943 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:50,201 WARN L254 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 19 conjunts are in the unsatisfiable core [2019-08-05 10:41:50,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:50,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,462 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-08-05 10:41:50,467 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:41:50,468 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,477 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,478 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,484 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,486 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,486 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,488 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,489 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,491 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,492 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,494 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,495 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:50,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,258 WARN L188 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2019-08-05 10:41:51,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:52,437 WARN L188 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 177 DAG size of output: 103 [2019-08-05 10:41:53,730 WARN L188 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2019-08-05 10:41:53,733 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 10:41:53,733 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:53,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-08-05 10:41:53,734 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-08-05 10:41:53,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-08-05 10:41:53,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-08-05 10:41:53,735 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 7 states. [2019-08-05 10:41:54,958 WARN L188 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 131 DAG size of output: 116 [2019-08-05 10:41:54,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:54,972 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2019-08-05 10:41:54,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-08-05 10:41:54,972 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2019-08-05 10:41:54,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:54,973 INFO L225 Difference]: With dead ends: 9 [2019-08-05 10:41:54,973 INFO L226 Difference]: Without dead ends: 8 [2019-08-05 10:41:54,973 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-08-05 10:41:54,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-08-05 10:41:54,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-08-05 10:41:54,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-08-05 10:41:54,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-08-05 10:41:54,976 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2019-08-05 10:41:54,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:54,976 INFO L475 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-08-05 10:41:54,977 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-08-05 10:41:54,977 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-08-05 10:41:54,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-08-05 10:41:54,977 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:54,977 INFO L399 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2019-08-05 10:41:54,977 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:54,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:54,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1723820512, now seen corresponding path program 4 times [2019-08-05 10:41:54,979 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:55,974 WARN L254 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 22 conjunts are in the unsatisfiable core [2019-08-05 10:41:55,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:56,106 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,107 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,107 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,686 WARN L188 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-08-05 10:41:56,690 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,691 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:41:56,693 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,694 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,695 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,696 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:41:56,697 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,699 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:41:56,702 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,703 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,705 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,175 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 73 [2019-08-05 10:41:57,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,179 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,180 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 13 terms [2019-08-05 10:41:57,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,182 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,184 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,186 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,186 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 13 terms [2019-08-05 10:41:57,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,190 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,191 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,192 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 13 terms [2019-08-05 10:41:57,197 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,198 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,198 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,200 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,201 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,202 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,203 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,206 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,209 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:57,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:58,520 WARN L188 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 267 DAG size of output: 122 [2019-08-05 10:41:58,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:58,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:58,527 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:58,529 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:58,532 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:58,533 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:58,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:01,710 WARN L188 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 340 DAG size of output: 171 [2019-08-05 10:42:03,284 WARN L188 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 144 DAG size of output: 129 [2019-08-05 10:42:03,288 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 10:42:03,288 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:42:03,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-08-05 10:42:03,289 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-08-05 10:42:03,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-08-05 10:42:03,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-08-05 10:42:03,290 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 8 states. [2019-08-05 10:42:05,701 WARN L188 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 238 DAG size of output: 222 [2019-08-05 10:42:05,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:42:05,732 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-08-05 10:42:05,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-08-05 10:42:05,732 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 7 [2019-08-05 10:42:05,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:42:05,733 INFO L225 Difference]: With dead ends: 10 [2019-08-05 10:42:05,733 INFO L226 Difference]: Without dead ends: 9 [2019-08-05 10:42:05,734 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-08-05 10:42:05,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-08-05 10:42:05,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-08-05 10:42:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-08-05 10:42:05,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-08-05 10:42:05,738 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2019-08-05 10:42:05,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:42:05,738 INFO L475 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-08-05 10:42:05,739 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-08-05 10:42:05,739 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-08-05 10:42:05,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-08-05 10:42:05,739 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:42:05,739 INFO L399 BasicCegarLoop]: trace histogram [5, 1, 1, 1] [2019-08-05 10:42:05,740 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:42:05,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:42:05,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1898818722, now seen corresponding path program 5 times [2019-08-05 10:42:05,741 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:42:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:42:10,585 WARN L254 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 25 conjunts are in the unsatisfiable core [2019-08-05 10:42:10,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:42:10,637 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:10,637 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:10,638 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:10,790 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-08-05 10:42:10,792 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:10,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:10,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:42:10,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:10,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:10,796 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:10,797 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:42:10,797 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:10,798 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:10,799 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:10,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:10,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:10,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:11,306 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2019-08-05 10:42:11,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:11,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:11,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:11,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:11,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:11,314 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 11 terms [2019-08-05 10:42:11,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:11,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:11,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:11,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:11,318 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:11,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:11,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,722 WARN L188 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 226 DAG size of output: 116 [2019-08-05 10:42:12,726 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,727 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,727 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,730 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 25 terms [2019-08-05 10:42:12,731 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,733 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,734 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:12,735 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:12,736 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,737 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,738 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,742 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,743 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 25 terms [2019-08-05 10:42:12,743 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,745 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,746 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,746 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,747 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:12,748 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,749 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:12,750 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:12,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,754 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 25 terms [2019-08-05 10:42:12,754 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,756 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,756 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,758 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:12,759 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,760 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:12,761 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,762 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:12,762 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:15,189 WARN L188 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 358 DAG size of output: 174 [2019-08-05 10:42:15,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 37 terms [2019-08-05 10:42:15,195 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,197 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:15,198 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:15,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,200 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,200 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,201 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,202 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,202 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,203 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,206 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,209 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,209 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:15,222 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:15,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,227 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,228 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,228 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,231 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,232 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,232 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,233 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:42:15,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:42:15,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,238 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,238 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,239 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,242 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,244 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,244 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,245 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,246 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,246 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,249 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,249 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,250 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,254 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,256 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,256 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,259 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:15,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,276 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,280 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,290 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,290 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,295 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,297 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,300 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,301 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,302 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,302 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,303 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,303 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:15,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,318 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,323 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,323 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,324 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,329 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:15,330 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,586 WARN L188 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 599 DAG size of output: 248 [2019-08-05 10:42:22,417 WARN L188 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 205 DAG size of output: 181 [2019-08-05 10:42:22,423 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 10:42:22,423 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:42:22,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-08-05 10:42:22,424 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-08-05 10:42:22,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-08-05 10:42:22,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-08-05 10:42:22,424 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 9 states. [2019-08-05 10:42:26,165 WARN L188 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 336 DAG size of output: 312 [2019-08-05 10:42:26,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:42:26,214 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-08-05 10:42:26,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-08-05 10:42:26,214 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 8 [2019-08-05 10:42:26,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:42:26,215 INFO L225 Difference]: With dead ends: 11 [2019-08-05 10:42:26,215 INFO L226 Difference]: Without dead ends: 10 [2019-08-05 10:42:26,216 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-08-05 10:42:26,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-08-05 10:42:26,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-08-05 10:42:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-08-05 10:42:26,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-08-05 10:42:26,219 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-08-05 10:42:26,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:42:26,220 INFO L475 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-08-05 10:42:26,220 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-08-05 10:42:26,220 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-08-05 10:42:26,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-08-05 10:42:26,220 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:42:26,220 INFO L399 BasicCegarLoop]: trace histogram [6, 1, 1, 1] [2019-08-05 10:42:26,221 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:42:26,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:42:26,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1266171360, now seen corresponding path program 6 times [2019-08-05 10:42:26,222 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:43:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:43:15,519 WARN L254 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 28 conjunts are in the unsatisfiable core [2019-08-05 10:43:15,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:43:15,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:15,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:15,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:15,691 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-08-05 10:43:15,693 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:15,694 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:15,694 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:15,695 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:15,696 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:15,697 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:15,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,136 WARN L188 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 68 [2019-08-05 10:43:16,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 15 terms [2019-08-05 10:43:16,140 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,140 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,141 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,146 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,148 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,149 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,149 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,152 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,153 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,153 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,154 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,154 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 15 terms [2019-08-05 10:43:16,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,158 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,164 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,169 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,169 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,170 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:16,171 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,775 WARN L188 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 189 DAG size of output: 120 [2019-08-05 10:43:18,779 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 27 terms [2019-08-05 10:43:18,779 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,780 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,780 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,784 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,785 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,785 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,791 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,792 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,792 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,796 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,796 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,797 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,797 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,798 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,799 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,799 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,803 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,803 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,804 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,804 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,805 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,805 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,806 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,808 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,814 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,817 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,817 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,818 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,818 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,824 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:43:18,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,832 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,833 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,833 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,835 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:18,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,029 WARN L188 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 409 DAG size of output: 181 [2019-08-05 10:43:22,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,034 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,035 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,037 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 48 terms [2019-08-05 10:43:22,038 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,039 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,040 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,041 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:43:22,042 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 48 terms [2019-08-05 10:43:22,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,052 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,053 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,053 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,054 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,058 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,058 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,059 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,059 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,060 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,061 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,061 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,063 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,066 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,072 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,073 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,073 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,074 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,074 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,083 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,083 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,084 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,084 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,085 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,085 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:22,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,609 WARN L188 SmtUtils]: Spent 17.29 s on a formula simplification. DAG size of input: 630 DAG size of output: 237 [2019-08-05 10:43:39,613 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,615 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 70 terms [2019-08-05 10:43:39,615 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,616 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,616 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,617 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,618 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,619 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,620 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,620 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:43:39,621 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,622 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,623 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,624 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,624 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,625 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,625 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,626 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,626 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,627 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,627 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,628 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,630 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 70 terms [2019-08-05 10:43:39,631 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,631 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,632 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,633 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,633 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,634 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,635 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,636 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,636 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,637 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,638 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,643 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,647 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,648 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 70 terms [2019-08-05 10:43:39,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,655 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,658 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,659 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,660 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,660 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,661 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:39,664 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:58,314 WARN L188 SmtUtils]: Spent 18.47 s on a formula simplification. DAG size of input: 906 DAG size of output: 323 [2019-08-05 10:44:02,346 WARN L188 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 263 DAG size of output: 239 [2019-08-05 10:44:02,353 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 10:44:02,353 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:44:02,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-08-05 10:44:02,354 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-08-05 10:44:02,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-08-05 10:44:02,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-08-05 10:44:02,354 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 10 states. [2019-08-05 10:44:08,139 WARN L188 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 412 DAG size of output: 387 [2019-08-05 10:44:08,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:44:08,174 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-08-05 10:44:08,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-08-05 10:44:08,175 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2019-08-05 10:44:08,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:44:08,176 INFO L225 Difference]: With dead ends: 12 [2019-08-05 10:44:08,176 INFO L226 Difference]: Without dead ends: 11 [2019-08-05 10:44:08,177 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 52.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-08-05 10:44:08,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-08-05 10:44:08,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-08-05 10:44:08,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-08-05 10:44:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-08-05 10:44:08,179 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2019-08-05 10:44:08,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:44:08,180 INFO L475 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-08-05 10:44:08,180 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-08-05 10:44:08,180 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-08-05 10:44:08,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-08-05 10:44:08,180 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:44:08,181 INFO L399 BasicCegarLoop]: trace histogram [7, 1, 1, 1] [2019-08-05 10:44:08,181 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:44:08,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:44:08,181 INFO L82 PathProgramCache]: Analyzing trace with hash 596616094, now seen corresponding path program 7 times [2019-08-05 10:44:08,182 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy