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/real-life/Elevator.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:08:16,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:08:16,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:08:16,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:08:16,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:08:16,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:08:16,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:08:16,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:08:16,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:08:16,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:08:16,221 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:08:16,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:08:16,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:08:16,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:08:16,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:08:16,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:08:16,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:08:16,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:08:16,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:08:16,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:08:16,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:08:16,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:08:16,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:08:16,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:08:16,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:08:16,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:08:16,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:08:16,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:08:16,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:08:16,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:08:16,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:08:16,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:08:16,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:08:16,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:08:16,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:08:16,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:08:16,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:08:16,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:08:16,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:08:16,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:08:16,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:08:16,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:08:16,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:08:16,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:08:16,339 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:08:16,339 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:08:16,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator.bpl [2019-08-05 10:08:16,341 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator.bpl' [2019-08-05 10:08:16,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:08:16,394 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:08:16,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:08:16,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:08:16,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:08:16,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:08:16" (1/1) ... [2019-08-05 10:08:16,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:08:16" (1/1) ... [2019-08-05 10:08:16,427 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:08:16,428 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:08:16,428 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:08:16,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:08:16,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:08:16,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:08:16,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:08:16,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:08:16" (1/1) ... [2019-08-05 10:08:16,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:08:16" (1/1) ... [2019-08-05 10:08:16,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:08:16" (1/1) ... [2019-08-05 10:08:16,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:08:16" (1/1) ... [2019-08-05 10:08:16,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:08:16" (1/1) ... [2019-08-05 10:08:16,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:08:16" (1/1) ... [2019-08-05 10:08:16,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:08:16" (1/1) ... [2019-08-05 10:08:16,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:08:16,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:08:16,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:08:16,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:08:16,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:08:16" (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 10:08:16,538 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2019-08-05 10:08:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2019-08-05 10:08:16,538 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2019-08-05 10:08:18,153 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:08:18,153 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 10:08:18,155 INFO L202 PluginConnector]: Adding new model Elevator.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:08:18 BoogieIcfgContainer [2019-08-05 10:08:18,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:08:18,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:08:18,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:08:18,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:08:18,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:08:16" (1/2) ... [2019-08-05 10:08:18,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1148ff3b and model type Elevator.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:08:18, skipping insertion in model container [2019-08-05 10:08:18,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Elevator.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:08:18" (2/2) ... [2019-08-05 10:08:18,163 INFO L109 eAbstractionObserver]: Analyzing ICFG Elevator.bpl [2019-08-05 10:08:18,173 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:08:18,182 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:08:18,200 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:08:18,223 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:08:18,224 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:08:18,224 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:08:18,224 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:08:18,225 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:08:18,225 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:08:18,225 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:08:18,225 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:08:18,225 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:08:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-08-05 10:08:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 10:08:18,245 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:18,246 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 10:08:18,248 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:18,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:18,254 INFO L82 PathProgramCache]: Analyzing trace with hash 35150, now seen corresponding path program 1 times [2019-08-05 10:08:18,299 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:18,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 10:08:18,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:18,437 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 10:08:18,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:08:18,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 10:08:18,445 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:08:18,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:08:18,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:08:18,462 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2019-08-05 10:08:18,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:18,539 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-08-05 10:08:18,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:08:18,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-05 10:08:18,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:18,551 INFO L225 Difference]: With dead ends: 8 [2019-08-05 10:08:18,551 INFO L226 Difference]: Without dead ends: 6 [2019-08-05 10:08:18,554 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:08:18,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-08-05 10:08:18,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-08-05 10:08:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-08-05 10:08:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-08-05 10:08:18,590 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 3 [2019-08-05 10:08:18,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:18,591 INFO L475 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-08-05 10:08:18,591 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:08:18,591 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-08-05 10:08:18,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-08-05 10:08:18,592 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:18,592 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2019-08-05 10:08:18,592 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:18,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:18,593 INFO L82 PathProgramCache]: Analyzing trace with hash 33951723, now seen corresponding path program 1 times [2019-08-05 10:08:18,594 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:18,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2019-08-05 10:08:18,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:18,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,767 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,769 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,770 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,784 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:18,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:18,791 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,792 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:18,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:18,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,803 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:18,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,817 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,818 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:18,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:18,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:18,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:18,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:18,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:18,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:18,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,169 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 6 [2019-08-05 10:08:19,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:19,171 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:19,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2019-08-05 10:08:19,173 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:08:19,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:08:19,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:08:19,175 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 4 states. [2019-08-05 10:08:19,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:19,235 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-08-05 10:08:19,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:08:19,243 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-08-05 10:08:19,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:19,243 INFO L225 Difference]: With dead ends: 8 [2019-08-05 10:08:19,244 INFO L226 Difference]: Without dead ends: 8 [2019-08-05 10:08:19,245 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:08:19,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-08-05 10:08:19,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-08-05 10:08:19,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-08-05 10:08:19,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-08-05 10:08:19,247 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2019-08-05 10:08:19,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:19,248 INFO L475 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-08-05 10:08:19,248 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:08:19,248 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-08-05 10:08:19,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-08-05 10:08:19,249 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:19,249 INFO L399 BasicCegarLoop]: trace histogram [3, 2, 1, 1] [2019-08-05 10:08:19,249 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:19,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:19,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1731959992, now seen corresponding path program 2 times [2019-08-05 10:08:19,250 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:19,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2019-08-05 10:08:19,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:19,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,413 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,417 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,418 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,419 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,420 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,423 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,425 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,426 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,427 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,428 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,430 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,433 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,434 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,436 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,437 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,438 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,440 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,441 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,442 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,443 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,446 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,447 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,449 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,450 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,451 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,453 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:19,454 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,456 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,457 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,887 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 18 [2019-08-05 10:08:19,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,893 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,894 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:19,897 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,897 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,899 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,197 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 6 [2019-08-05 10:08:20,199 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 10:08:20,199 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:20,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-05 10:08:20,200 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 10:08:20,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 10:08:20,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:08:20,201 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 5 states. [2019-08-05 10:08:20,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:20,285 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-08-05 10:08:20,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 10:08:20,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-08-05 10:08:20,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:20,287 INFO L225 Difference]: With dead ends: 10 [2019-08-05 10:08:20,287 INFO L226 Difference]: Without dead ends: 10 [2019-08-05 10:08:20,288 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:08:20,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-08-05 10:08:20,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-08-05 10:08:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-08-05 10:08:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-08-05 10:08:20,290 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 7 [2019-08-05 10:08:20,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:20,290 INFO L475 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-08-05 10:08:20,291 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 10:08:20,291 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-08-05 10:08:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-08-05 10:08:20,291 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:20,291 INFO L399 BasicCegarLoop]: trace histogram [4, 3, 1, 1] [2019-08-05 10:08:20,291 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:20,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:20,292 INFO L82 PathProgramCache]: Analyzing trace with hash 2033931109, now seen corresponding path program 3 times [2019-08-05 10:08:20,293 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:20,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 24 conjunts are in the unsatisfiable core [2019-08-05 10:08:20,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:20,440 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,441 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,441 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:20,442 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,442 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,443 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:20,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:20,445 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,446 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,447 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:20,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,449 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,450 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,451 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,452 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:20,452 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,453 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:20,453 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,454 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,455 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,456 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:20,457 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,460 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,461 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,461 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,836 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 18 [2019-08-05 10:08:20,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:20,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:20,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,394 WARN L188 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2019-08-05 10:08:21,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:21,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:21,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:21,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:21,415 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:21,466 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:21,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-08-05 10:08:21,466 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-08-05 10:08:21,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-08-05 10:08:21,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:08:21,467 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 6 states. [2019-08-05 10:08:21,645 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-08-05 10:08:21,844 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-08-05 10:08:21,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:21,871 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-08-05 10:08:21,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-08-05 10:08:21,878 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-08-05 10:08:21,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:21,879 INFO L225 Difference]: With dead ends: 12 [2019-08-05 10:08:21,879 INFO L226 Difference]: Without dead ends: 12 [2019-08-05 10:08:21,879 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-08-05 10:08:21,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-08-05 10:08:21,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-08-05 10:08:21,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-08-05 10:08:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-08-05 10:08:21,882 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9 [2019-08-05 10:08:21,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:21,882 INFO L475 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-08-05 10:08:21,882 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-08-05 10:08:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-08-05 10:08:21,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-08-05 10:08:21,883 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:21,883 INFO L399 BasicCegarLoop]: trace histogram [5, 4, 1, 1] [2019-08-05 10:08:21,883 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:21,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:21,884 INFO L82 PathProgramCache]: Analyzing trace with hash 397848642, now seen corresponding path program 4 times [2019-08-05 10:08:21,885 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:22,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 32 conjunts are in the unsatisfiable core [2019-08-05 10:08:22,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:22,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:22,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:22,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:22,083 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,083 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:22,084 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,084 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,085 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:22,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:22,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:22,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,095 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:22,096 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:22,096 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:22,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,098 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,099 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,099 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,100 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,101 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:22,101 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,102 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:22,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:22,106 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,107 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,107 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,108 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,109 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,110 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,110 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:22,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,567 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2019-08-05 10:08:22,572 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:22,574 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,574 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,576 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:22,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,580 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,585 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,591 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,591 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:23,082 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2019-08-05 10:08:23,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:23,095 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,098 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,099 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,100 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,101 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:23,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:23,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,107 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,109 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:23,110 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,280 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:23,281 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:23,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-08-05 10:08:23,282 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-08-05 10:08:23,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-08-05 10:08:23,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-08-05 10:08:23,283 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 7 states. [2019-08-05 10:08:23,461 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 15 [2019-08-05 10:08:23,774 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2019-08-05 10:08:23,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:23,823 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2019-08-05 10:08:23,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-08-05 10:08:23,824 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-08-05 10:08:23,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:23,825 INFO L225 Difference]: With dead ends: 14 [2019-08-05 10:08:23,825 INFO L226 Difference]: Without dead ends: 14 [2019-08-05 10:08:23,825 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2019-08-05 10:08:23,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-08-05 10:08:23,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-08-05 10:08:23,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-08-05 10:08:23,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2019-08-05 10:08:23,829 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 11 [2019-08-05 10:08:23,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:23,829 INFO L475 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2019-08-05 10:08:23,829 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-08-05 10:08:23,829 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2019-08-05 10:08:23,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-08-05 10:08:23,830 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:23,830 INFO L399 BasicCegarLoop]: trace histogram [6, 5, 1, 1] [2019-08-05 10:08:23,830 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:23,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:23,831 INFO L82 PathProgramCache]: Analyzing trace with hash 80628191, now seen corresponding path program 5 times [2019-08-05 10:08:23,831 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:23,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 54 conjunts are in the unsatisfiable core [2019-08-05 10:08:23,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:24,139 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-08-05 10:08:24,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,148 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,149 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:24,359 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 21 [2019-08-05 10:08:24,363 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,365 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:24,366 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,367 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,367 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:24,368 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,593 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2019-08-05 10:08:24,778 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-08-05 10:08:24,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,784 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,785 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:24,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,791 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,791 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,796 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,797 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,798 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:24,799 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:24,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,803 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,803 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:24,805 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,806 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:27,308 WARN L188 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2019-08-05 10:08:27,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,314 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:27,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,318 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:27,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,321 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,321 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:27,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,323 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,324 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,324 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:27,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,827 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-08-05 10:08:27,833 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,835 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:27,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:27,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:27,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:27,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-05 10:08:27,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,950 WARN L188 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 98 DAG size of output: 47 [2019-08-05 10:08:29,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:29,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,960 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:29,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,966 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:29,967 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,969 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,970 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:29,972 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:29,976 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:29,978 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,981 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:29,984 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,985 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,001 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,002 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,002 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:30,003 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,004 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,005 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:30,118 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:30,118 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:30,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-08-05 10:08:30,119 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-08-05 10:08:30,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-08-05 10:08:30,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-08-05 10:08:30,120 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 10 states. [2019-08-05 10:08:30,296 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 24 [2019-08-05 10:08:30,455 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2019-08-05 10:08:30,631 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 37 [2019-08-05 10:08:30,888 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 52 [2019-08-05 10:08:31,203 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 49 [2019-08-05 10:08:31,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:31,265 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-08-05 10:08:31,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-08-05 10:08:31,266 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2019-08-05 10:08:31,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:31,267 INFO L225 Difference]: With dead ends: 16 [2019-08-05 10:08:31,268 INFO L226 Difference]: Without dead ends: 16 [2019-08-05 10:08:31,268 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=86, Invalid=124, Unknown=0, NotChecked=0, Total=210 [2019-08-05 10:08:31,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-08-05 10:08:31,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-08-05 10:08:31,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-08-05 10:08:31,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-08-05 10:08:31,271 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2019-08-05 10:08:31,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:31,271 INFO L475 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-08-05 10:08:31,272 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-08-05 10:08:31,272 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-08-05 10:08:31,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-08-05 10:08:31,272 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:31,272 INFO L399 BasicCegarLoop]: trace histogram [7, 6, 1, 1] [2019-08-05 10:08:31,273 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:31,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:31,273 INFO L82 PathProgramCache]: Analyzing trace with hash 174452796, now seen corresponding path program 6 times [2019-08-05 10:08:31,274 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:31,620 WARN L254 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 74 conjunts are in the unsatisfiable core [2019-08-05 10:08:31,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:31,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:31,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:31,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,711 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,711 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,712 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,712 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:31,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,717 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:31,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,211 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-08-05 10:08:32,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,222 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:32,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,228 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,231 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,233 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,233 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,596 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 59 [2019-08-05 10:08:33,229 WARN L188 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-08-05 10:08:33,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:33,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,238 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,239 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,242 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:33,244 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,245 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:33,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:33,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,254 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,256 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,259 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:33,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:33,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:33,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:33,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:33,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:33,894 WARN L188 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 70 [2019-08-05 10:08:34,844 WARN L188 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-08-05 10:08:34,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:34,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:08:34,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:34,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:34,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:34,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:34,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:34,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,871 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:34,873 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,873 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:34,876 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:34,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,881 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:34,881 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,253 WARN L188 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 104 DAG size of output: 83 [2019-08-05 10:08:37,021 WARN L188 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-08-05 10:08:37,027 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:37,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:37,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:37,052 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,053 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,053 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,054 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:37,054 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:37,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,058 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,058 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,063 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,063 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:37,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:37,066 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:37,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:37,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,072 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,074 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:37,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:37,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,084 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,085 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,095 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:37,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:37,099 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,101 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,102 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,612 WARN L188 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 28 [2019-08-05 10:08:37,613 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,615 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:37,691 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:37,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2019-08-05 10:08:37,692 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-08-05 10:08:37,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-08-05 10:08:37,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2019-08-05 10:08:37,692 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 14 states. [2019-08-05 10:08:37,942 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2019-08-05 10:08:38,132 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2019-08-05 10:08:38,315 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 37 [2019-08-05 10:08:38,630 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 43 [2019-08-05 10:08:38,844 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2019-08-05 10:08:38,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:38,994 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-08-05 10:08:38,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-08-05 10:08:38,995 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2019-08-05 10:08:38,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:38,996 INFO L225 Difference]: With dead ends: 18 [2019-08-05 10:08:38,996 INFO L226 Difference]: Without dead ends: 18 [2019-08-05 10:08:38,996 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2019-08-05 10:08:38,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-08-05 10:08:38,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-08-05 10:08:38,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-08-05 10:08:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-08-05 10:08:39,000 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 15 [2019-08-05 10:08:39,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:39,000 INFO L475 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-08-05 10:08:39,000 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-08-05 10:08:39,000 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-08-05 10:08:39,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-08-05 10:08:39,001 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:39,001 INFO L399 BasicCegarLoop]: trace histogram [8, 7, 1, 1] [2019-08-05 10:08:39,001 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:39,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:39,001 INFO L82 PathProgramCache]: Analyzing trace with hash 145584985, now seen corresponding path program 7 times [2019-08-05 10:08:39,003 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:39,523 WARN L254 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 103 conjunts are in the unsatisfiable core [2019-08-05 10:08:39,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:39,711 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-08-05 10:08:39,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,115 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2019-08-05 10:08:40,224 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2019-08-05 10:08:40,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,246 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,250 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:40,250 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,254 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:40,256 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,570 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2019-08-05 10:08:40,833 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2019-08-05 10:08:40,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:40,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,361 WARN L188 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 65 [2019-08-05 10:08:41,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:41,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,780 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 67 [2019-08-05 10:08:41,785 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:41,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:41,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:41,791 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,792 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,796 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:41,797 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:41,798 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,798 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:41,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,804 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,806 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:41,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,808 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:41,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:41,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,320 WARN L188 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-08-05 10:08:42,324 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:42,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:42,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,329 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,344 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2019-08-05 10:08:43,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,350 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,351 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,351 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,352 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,353 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:43,355 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,355 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,356 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,358 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:43,359 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,359 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 10 terms [2019-08-05 10:08:43,360 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:08:43,361 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:43,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,363 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,363 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:43,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,136 WARN L188 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 87 [2019-08-05 10:08:44,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:44,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,140 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:44,140 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,140 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,141 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,141 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:44,141 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,342 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2019-08-05 10:08:45,552 WARN L188 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 62 [2019-08-05 10:08:45,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 8 terms [2019-08-05 10:08:45,560 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,560 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,563 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,563 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,565 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,565 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,566 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,567 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,567 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,568 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,569 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:45,570 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,570 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:45,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,572 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,573 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:45,574 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,574 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:45,575 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,575 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,577 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,577 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:45,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:45,580 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,580 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:45,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:45,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:45,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:45,592 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:45,594 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,598 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,924 WARN L188 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 136 DAG size of output: 85 [2019-08-05 10:08:46,927 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 11 terms [2019-08-05 10:08:46,928 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,928 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,929 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,929 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,930 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,930 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,931 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,931 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,635 WARN L188 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 93 DAG size of output: 73 [2019-08-05 10:08:48,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:48,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,645 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,645 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:08:48,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:08:48,648 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:48,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:08:48,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:48,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:08:48,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 27 terms [2019-08-05 10:08:49,338 WARN L188 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2019-08-05 10:08:49,339 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,340 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,340 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,341 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:08:49,341 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,342 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:49,342 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:08:49,342 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,343 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:08:49,343 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,358 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:08:49,358 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,477 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:49,477 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:49,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2019-08-05 10:08:49,478 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-08-05 10:08:49,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-08-05 10:08:49,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=170, Unknown=0, NotChecked=0, Total=272 [2019-08-05 10:08:49,479 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 17 states. [2019-08-05 10:08:49,909 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2019-08-05 10:08:51,004 WARN L188 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2019-08-05 10:08:51,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:51,038 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2019-08-05 10:08:51,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-08-05 10:08:51,038 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 17 [2019-08-05 10:08:51,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:51,039 INFO L225 Difference]: With dead ends: 20 [2019-08-05 10:08:51,039 INFO L226 Difference]: Without dead ends: 20 [2019-08-05 10:08:51,040 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=145, Invalid=235, Unknown=0, NotChecked=0, Total=380 [2019-08-05 10:08:51,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-08-05 10:08:51,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-08-05 10:08:51,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-08-05 10:08:51,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-08-05 10:08:51,043 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 17 [2019-08-05 10:08:51,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:51,043 INFO L475 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-08-05 10:08:51,043 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-08-05 10:08:51,044 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-08-05 10:08:51,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-08-05 10:08:51,044 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:51,044 INFO L399 BasicCegarLoop]: trace histogram [9, 8, 1, 1] [2019-08-05 10:08:51,044 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:51,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:51,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1826577610, now seen corresponding path program 8 times [2019-08-05 10:08:51,045 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:51,723 WARN L254 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 112 conjunts are in the unsatisfiable core [2019-08-05 10:08:51,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:51,929 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-08-05 10:08:52,146 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-08-05 10:08:52,148 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,735 WARN L188 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-08-05 10:08:52,736 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,741 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:52,886 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-08-05 10:08:52,888 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:53,542 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-08-05 10:08:53,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,547 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:08:53,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:53,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,553 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,553 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,554 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,554 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,555 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,556 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,559 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,559 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,560 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,911 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-08-05 10:08:53,913 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:08:54,772 WARN L188 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-08-05 10:08:54,778 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,778 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,780 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,785 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:54,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:54,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:54,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,791 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,792 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,796 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,796 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,797 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,798 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,798 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:54,799 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:54,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,803 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,804 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,805 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,806 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:54,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,808 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:54,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 9 terms [2019-08-05 10:08:54,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,389 WARN L188 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 70 [2019-08-05 10:08:56,517 WARN L188 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-08-05 10:08:56,523 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 7 terms [2019-08-05 10:08:56,524 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:56,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:56,528 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,529 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,530 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,531 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:56,532 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,533 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:56,534 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:56,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:56,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,539 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,539 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,542 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,543 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,543 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,545 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,545 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:56,547 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,547 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:56,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:56,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,552 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,552 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,553 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:56,553 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,555 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,555 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,556 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:56,556 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,569 WARN L188 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2019-08-05 10:08:58,381 WARN L188 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2019-08-05 10:08:58,385 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:58,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 7 terms [2019-08-05 10:08:58,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,388 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,388 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:58,389 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:58,393 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,394 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,394 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,395 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,395 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:58,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:58,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:58,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,412 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,412 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,413 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,413 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:08:58,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:08:58,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,417 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,418 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,419 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,420 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,422 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,423 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,423 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,425 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,426 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,427 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,427 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,428 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,430 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,432 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,433 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,434 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,435 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,436 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,438 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,438 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,441 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,441 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,442 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,443 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,445 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:08:58,446 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,447 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:00,147 WARN L188 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 135 DAG size of output: 94 [2019-08-05 10:09:00,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:09:00,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:09:00,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,940 WARN L188 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 70 [2019-08-05 10:09:00,945 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,946 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:09:00,947 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:00,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:09:00,949 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,949 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,950 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:00,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:09:00,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,953 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,954 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,955 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,955 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:09:00,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:00,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:00,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,965 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,966 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,967 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:00,968 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,969 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:00,971 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,972 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:00,974 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,975 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:00,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,978 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,978 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:00,979 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:09:00,980 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,981 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:00,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:09:00,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,985 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:09:00,985 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,838 WARN L188 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 81 [2019-08-05 10:09:01,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 5 terms [2019-08-05 10:09:01,896 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,897 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,923 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:01,924 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,924 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,926 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,927 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:01,937 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,943 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:01,945 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,946 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:01,947 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:09:01,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,949 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:09:01,950 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,951 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,953 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,954 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:01,955 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:01,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:09:01,960 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,965 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,965 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,966 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,966 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:01,967 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,967 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,968 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,969 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,969 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,970 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,971 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,971 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,971 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,972 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:09:01,972 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:01,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,281 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 30 [2019-08-05 10:09:02,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:09:02,335 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-08-05 10:09:02,336 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:02,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2019-08-05 10:09:02,336 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-08-05 10:09:02,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-08-05 10:09:02,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2019-08-05 10:09:02,337 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 18 states. [2019-08-05 10:09:02,490 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 29 [2019-08-05 10:09:02,629 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 27 [2019-08-05 10:09:02,913 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 35 [2019-08-05 10:09:03,112 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 36 [2019-08-05 10:09:03,649 WARN L188 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 51 [2019-08-05 10:09:03,964 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2019-08-05 10:09:04,486 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2019-08-05 10:09:05,692 WARN L188 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 123 DAG size of output: 95 [2019-08-05 10:09:06,993 WARN L188 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 127 DAG size of output: 101 [2019-08-05 10:09:07,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:09:07,036 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2019-08-05 10:09:07,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-08-05 10:09:07,036 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 19 [2019-08-05 10:09:07,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:09:07,037 INFO L225 Difference]: With dead ends: 19 [2019-08-05 10:09:07,037 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:09:07,038 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=224, Invalid=478, Unknown=0, NotChecked=0, Total=702 [2019-08-05 10:09:07,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:09:07,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:09:07,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:09:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:09:07,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2019-08-05 10:09:07,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:09:07,040 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:09:07,040 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-08-05 10:09:07,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:09:07,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:09:07,045 INFO L202 PluginConnector]: Adding new model Elevator.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:09:07 BoogieIcfgContainer [2019-08-05 10:09:07,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:09:07,047 INFO L168 Benchmark]: Toolchain (without parser) took 50652.20 ms. Allocated memory was 141.0 MB in the beginning and 531.6 MB in the end (delta: 390.6 MB). Free memory was 109.1 MB in the beginning and 413.9 MB in the end (delta: -304.7 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2019-08-05 10:09:07,047 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.60 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 10:09:07,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.41 ms. Allocated memory is still 141.0 MB. Free memory was 108.9 MB in the beginning and 107.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:09:07,049 INFO L168 Benchmark]: Boogie Preprocessor took 28.25 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 105.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:09:07,050 INFO L168 Benchmark]: RCFGBuilder took 1695.83 ms. Allocated memory was 141.0 MB in the beginning and 176.2 MB in the end (delta: 35.1 MB). Free memory was 105.7 MB in the beginning and 139.8 MB in the end (delta: -34.1 MB). Peak memory consumption was 50.2 MB. Max. memory is 7.1 GB. [2019-08-05 10:09:07,051 INFO L168 Benchmark]: TraceAbstraction took 48888.56 ms. Allocated memory was 176.2 MB in the beginning and 531.6 MB in the end (delta: 355.5 MB). Free memory was 139.8 MB in the beginning and 413.9 MB in the end (delta: -274.1 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:09:07,054 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.60 ms. Allocated memory is still 141.0 MB. Free memory was 110.6 MB in the beginning and 110.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.41 ms. Allocated memory is still 141.0 MB. Free memory was 108.9 MB in the beginning and 107.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.25 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 105.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1695.83 ms. Allocated memory was 141.0 MB in the beginning and 176.2 MB in the end (delta: 35.1 MB). Free memory was 105.7 MB in the beginning and 139.8 MB in the end (delta: -34.1 MB). Peak memory consumption was 50.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 48888.56 ms. Allocated memory was 176.2 MB in the beginning and 531.6 MB in the end (delta: 355.5 MB). Free memory was 139.8 MB in the beginning and 413.9 MB in the end (delta: -274.1 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 79]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. SAFE Result, 48.8s OverallTime, 9 OverallIterations, 9 TraceHistogramMax, 9.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 18 SDtfs, 18 SDslu, 1 SDs, 0 SdLazy, 156 SolverSat, 82 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 41.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 36.6s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 185096 SizeOfPredicates, 320 NumberOfNonLiveVariables, 909 ConjunctsInSsa, 422 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 1/240 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! 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