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/GateController.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:07:18,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:07:18,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:07:18,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:07:18,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:07:18,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:07:18,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:07:18,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:07:18,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:07:18,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:07:18,363 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:07:18,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:07:18,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:07:18,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:07:18,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:07:18,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:07:18,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:07:18,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:07:18,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:07:18,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:07:18,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:07:18,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:07:18,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:07:18,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:07:18,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:07:18,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:07:18,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:07:18,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:07:18,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:07:18,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:07:18,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:07:18,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:07:18,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:07:18,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:07:18,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:07:18,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:07:18,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:07:18,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:07:18,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:07:18,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:07:18,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:07:18,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:07:18,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:07:18,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:07:18,445 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:07:18,445 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:07:18,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl [2019-08-05 10:07:18,446 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl' [2019-08-05 10:07:18,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:07:18,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:07:18,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:07:18,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:07:18,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:07:18,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:07:18" (1/1) ... [2019-08-05 10:07:18,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:07:18" (1/1) ... [2019-08-05 10:07:18,507 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:07:18,509 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:07:18,509 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:07:18,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:07:18,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:07:18,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:07:18,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:07:18,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:07:18" (1/1) ... [2019-08-05 10:07:18,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:07:18" (1/1) ... [2019-08-05 10:07:18,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:07:18" (1/1) ... [2019-08-05 10:07:18,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:07:18" (1/1) ... [2019-08-05 10:07:18,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:07:18" (1/1) ... [2019-08-05 10:07:18,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:07:18" (1/1) ... [2019-08-05 10:07:18,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:07:18" (1/1) ... [2019-08-05 10:07:18,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:07:18,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:07:18,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:07:18,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:07:18,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:07:18" (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 10:07:18,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2019-08-05 10:07:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2019-08-05 10:07:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2019-08-05 10:07:19,110 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:07:19,110 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:07:19,111 INFO L202 PluginConnector]: Adding new model GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:07:19 BoogieIcfgContainer [2019-08-05 10:07:19,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:07:19,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:07:19,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:07:19,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:07:19,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:07:18" (1/2) ... [2019-08-05 10:07:19,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754c8a5c and model type GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:07:19, skipping insertion in model container [2019-08-05 10:07:19,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:07:19" (2/2) ... [2019-08-05 10:07:19,120 INFO L109 eAbstractionObserver]: Analyzing ICFG GateController.bpl [2019-08-05 10:07:19,129 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:07:19,136 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:07:19,152 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:07:19,178 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:07:19,179 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:07:19,179 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:07:19,179 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:07:19,179 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:07:19,179 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:07:19,180 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:07:19,180 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:07:19,180 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:07:19,194 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-08-05 10:07:19,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 10:07:19,202 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:19,203 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 10:07:19,206 INFO L418 AbstractCegarLoop]: === Iteration 1 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:19,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:19,212 INFO L82 PathProgramCache]: Analyzing trace with hash 30432, now seen corresponding path program 1 times [2019-08-05 10:07:19,260 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:19,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2019-08-05 10:07:19,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:19,410 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 10:07:19,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:07:19,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:07:19,416 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:07:19,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:07:19,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:07:19,430 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2019-08-05 10:07:19,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:19,467 INFO L93 Difference]: Finished difference Result 6 states and 6 transitions. [2019-08-05 10:07:19,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:07:19,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-05 10:07:19,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:19,478 INFO L225 Difference]: With dead ends: 6 [2019-08-05 10:07:19,479 INFO L226 Difference]: Without dead ends: 5 [2019-08-05 10:07:19,481 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 10:07:19,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-08-05 10:07:19,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-08-05 10:07:19,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-08-05 10:07:19,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-08-05 10:07:19,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2019-08-05 10:07:19,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:19,516 INFO L475 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-08-05 10:07:19,516 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:07:19,516 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-08-05 10:07:19,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:07:19,517 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:19,517 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:07:19,517 INFO L418 AbstractCegarLoop]: === Iteration 2 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:19,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:19,518 INFO L82 PathProgramCache]: Analyzing trace with hash 952992, now seen corresponding path program 1 times [2019-08-05 10:07:19,519 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:19,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2019-08-05 10:07:19,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:19,601 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:19,682 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:19,708 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:19,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-05 10:07:19,711 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 10:07:19,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 10:07:19,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:07:19,712 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 5 states. [2019-08-05 10:07:19,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:19,895 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-08-05 10:07:19,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 10:07:19,896 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2019-08-05 10:07:19,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:19,896 INFO L225 Difference]: With dead ends: 7 [2019-08-05 10:07:19,896 INFO L226 Difference]: Without dead ends: 6 [2019-08-05 10:07:19,898 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:07:19,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-08-05 10:07:19,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-08-05 10:07:19,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-08-05 10:07:19,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-08-05 10:07:19,900 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2019-08-05 10:07:19,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:19,900 INFO L475 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2019-08-05 10:07:19,900 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 10:07:19,900 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-08-05 10:07:19,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-08-05 10:07:19,901 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:19,901 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2019-08-05 10:07:19,901 INFO L418 AbstractCegarLoop]: === Iteration 3 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:19,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:19,902 INFO L82 PathProgramCache]: Analyzing trace with hash 29552352, now seen corresponding path program 2 times [2019-08-05 10:07:19,903 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:19,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 9 conjunts are in the unsatisfiable core [2019-08-05 10:07:19,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:19,978 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:20,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:20,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:20,277 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 16 [2019-08-05 10:07:20,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:20,296 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:20,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-08-05 10:07:20,297 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-08-05 10:07:20,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-08-05 10:07:20,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:07:20,298 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 6 states. [2019-08-05 10:07:20,517 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 11 [2019-08-05 10:07:20,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:20,566 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-08-05 10:07:20,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-08-05 10:07:20,567 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2019-08-05 10:07:20,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:20,567 INFO L225 Difference]: With dead ends: 8 [2019-08-05 10:07:20,567 INFO L226 Difference]: Without dead ends: 7 [2019-08-05 10:07:20,568 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-08-05 10:07:20,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-08-05 10:07:20,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-08-05 10:07:20,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 10:07:20,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-05 10:07:20,571 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2019-08-05 10:07:20,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:20,571 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-05 10:07:20,572 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-08-05 10:07:20,572 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-05 10:07:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:07:20,572 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:20,573 INFO L399 BasicCegarLoop]: trace histogram [3, 1, 1, 1] [2019-08-05 10:07:20,573 INFO L418 AbstractCegarLoop]: === Iteration 4 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:20,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:20,574 INFO L82 PathProgramCache]: Analyzing trace with hash 916132512, now seen corresponding path program 3 times [2019-08-05 10:07:20,574 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:20,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 11 conjunts are in the unsatisfiable core [2019-08-05 10:07:20,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:20,637 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:20,818 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-08-05 10:07:20,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:20,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:20,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:20,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:20,894 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:21,037 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:21,105 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 10:07:21,105 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:21,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-08-05 10:07:21,106 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-08-05 10:07:21,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-08-05 10:07:21,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-08-05 10:07:21,107 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 7 states. [2019-08-05 10:07:21,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:21,187 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2019-08-05 10:07:21,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-08-05 10:07:21,189 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2019-08-05 10:07:21,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:21,189 INFO L225 Difference]: With dead ends: 9 [2019-08-05 10:07:21,190 INFO L226 Difference]: Without dead ends: 8 [2019-08-05 10:07:21,190 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-08-05 10:07:21,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-08-05 10:07:21,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-08-05 10:07:21,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-08-05 10:07:21,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-08-05 10:07:21,193 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2019-08-05 10:07:21,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:21,193 INFO L475 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-08-05 10:07:21,194 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-08-05 10:07:21,194 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-08-05 10:07:21,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-08-05 10:07:21,194 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:21,194 INFO L399 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2019-08-05 10:07:21,195 INFO L418 AbstractCegarLoop]: === Iteration 5 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:21,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:21,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1664653600, now seen corresponding path program 4 times [2019-08-05 10:07:21,196 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:21,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2019-08-05 10:07:21,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:21,321 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:21,535 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-08-05 10:07:21,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:21,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:21,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:21,621 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:21,624 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:21,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:21,768 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:21,770 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:21,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:21,878 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:21,878 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:21,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-08-05 10:07:21,879 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-08-05 10:07:21,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-08-05 10:07:21,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-08-05 10:07:21,880 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 8 states. [2019-08-05 10:07:21,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:21,952 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-08-05 10:07:21,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-08-05 10:07:21,953 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 7 [2019-08-05 10:07:21,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:21,954 INFO L225 Difference]: With dead ends: 10 [2019-08-05 10:07:21,954 INFO L226 Difference]: Without dead ends: 9 [2019-08-05 10:07:21,954 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-08-05 10:07:21,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-08-05 10:07:21,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-08-05 10:07:21,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-08-05 10:07:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-08-05 10:07:21,957 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2019-08-05 10:07:21,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:21,957 INFO L475 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-08-05 10:07:21,957 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-08-05 10:07:21,957 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-08-05 10:07:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-08-05 10:07:21,958 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:21,958 INFO L399 BasicCegarLoop]: trace histogram [5, 1, 1, 1] [2019-08-05 10:07:21,958 INFO L418 AbstractCegarLoop]: === Iteration 6 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:21,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:21,958 INFO L82 PathProgramCache]: Analyzing trace with hash -64644448, now seen corresponding path program 5 times [2019-08-05 10:07:21,959 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:21,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjunts are in the unsatisfiable core [2019-08-05 10:07:21,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:22,024 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,133 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,137 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,246 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,429 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:22,430 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:22,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-08-05 10:07:22,430 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-08-05 10:07:22,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-08-05 10:07:22,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-08-05 10:07:22,431 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 9 states. [2019-08-05 10:07:22,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:22,529 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-08-05 10:07:22,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-08-05 10:07:22,530 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 8 [2019-08-05 10:07:22,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:22,531 INFO L225 Difference]: With dead ends: 11 [2019-08-05 10:07:22,531 INFO L226 Difference]: Without dead ends: 10 [2019-08-05 10:07:22,531 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2019-08-05 10:07:22,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-08-05 10:07:22,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-08-05 10:07:22,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-08-05 10:07:22,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-08-05 10:07:22,534 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2019-08-05 10:07:22,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:22,534 INFO L475 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2019-08-05 10:07:22,534 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-08-05 10:07:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-08-05 10:07:22,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-08-05 10:07:22,535 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:22,535 INFO L399 BasicCegarLoop]: trace histogram [6, 1, 1, 1] [2019-08-05 10:07:22,535 INFO L418 AbstractCegarLoop]: === Iteration 7 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:22,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:22,536 INFO L82 PathProgramCache]: Analyzing trace with hash -2003968288, now seen corresponding path program 6 times [2019-08-05 10:07:22,536 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:22,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 17 conjunts are in the unsatisfiable core [2019-08-05 10:07:22,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:22,628 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,865 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-08-05 10:07:22,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:22,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,010 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,012 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,126 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,127 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,173 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,310 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:23,310 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:23,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-08-05 10:07:23,311 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-08-05 10:07:23,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-08-05 10:07:23,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2019-08-05 10:07:23,312 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 10 states. [2019-08-05 10:07:23,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:23,415 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-08-05 10:07:23,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-08-05 10:07:23,416 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2019-08-05 10:07:23,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:23,416 INFO L225 Difference]: With dead ends: 12 [2019-08-05 10:07:23,416 INFO L226 Difference]: Without dead ends: 11 [2019-08-05 10:07:23,417 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2019-08-05 10:07:23,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-08-05 10:07:23,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-08-05 10:07:23,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-08-05 10:07:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-08-05 10:07:23,420 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2019-08-05 10:07:23,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:23,420 INFO L475 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-08-05 10:07:23,420 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-08-05 10:07:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-08-05 10:07:23,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-08-05 10:07:23,421 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:23,421 INFO L399 BasicCegarLoop]: trace histogram [7, 1, 1, 1] [2019-08-05 10:07:23,421 INFO L418 AbstractCegarLoop]: === Iteration 8 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:23,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:23,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1993465184, now seen corresponding path program 7 times [2019-08-05 10:07:23,423 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:23,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 19 conjunts are in the unsatisfiable core [2019-08-05 10:07:23,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:23,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,508 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,509 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,636 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,722 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,724 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,778 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,779 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,805 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,951 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 16 [2019-08-05 10:07:23,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:23,954 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:24,105 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:24,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-08-05 10:07:24,105 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-08-05 10:07:24,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-08-05 10:07:24,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2019-08-05 10:07:24,106 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 11 states. [2019-08-05 10:07:24,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:24,211 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2019-08-05 10:07:24,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-08-05 10:07:24,211 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 10 [2019-08-05 10:07:24,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:24,212 INFO L225 Difference]: With dead ends: 13 [2019-08-05 10:07:24,212 INFO L226 Difference]: Without dead ends: 12 [2019-08-05 10:07:24,213 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2019-08-05 10:07:24,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-08-05 10:07:24,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-08-05 10:07:24,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-08-05 10:07:24,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-08-05 10:07:24,215 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2019-08-05 10:07:24,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:24,215 INFO L475 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-08-05 10:07:24,215 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-08-05 10:07:24,215 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-08-05 10:07:24,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-08-05 10:07:24,216 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:24,216 INFO L399 BasicCegarLoop]: trace histogram [8, 1, 1, 1] [2019-08-05 10:07:24,216 INFO L418 AbstractCegarLoop]: === Iteration 9 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:24,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:24,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1667868960, now seen corresponding path program 8 times [2019-08-05 10:07:24,217 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:24,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 21 conjunts are in the unsatisfiable core [2019-08-05 10:07:24,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:24,318 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,339 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,341 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,366 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,367 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,518 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,519 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,634 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,635 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,636 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,872 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,873 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,942 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:24,954 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:24,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-08-05 10:07:24,955 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-08-05 10:07:24,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-08-05 10:07:24,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2019-08-05 10:07:24,956 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 12 states. [2019-08-05 10:07:25,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:25,040 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2019-08-05 10:07:25,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-08-05 10:07:25,040 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 11 [2019-08-05 10:07:25,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:25,041 INFO L225 Difference]: With dead ends: 14 [2019-08-05 10:07:25,041 INFO L226 Difference]: Without dead ends: 13 [2019-08-05 10:07:25,042 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2019-08-05 10:07:25,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-08-05 10:07:25,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-08-05 10:07:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-08-05 10:07:25,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-08-05 10:07:25,045 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2019-08-05 10:07:25,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:25,045 INFO L475 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-08-05 10:07:25,045 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-08-05 10:07:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-08-05 10:07:25,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-08-05 10:07:25,046 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:25,046 INFO L399 BasicCegarLoop]: trace histogram [9, 1, 1, 1] [2019-08-05 10:07:25,046 INFO L418 AbstractCegarLoop]: === Iteration 10 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:25,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:25,047 INFO L82 PathProgramCache]: Analyzing trace with hash -164320608, now seen corresponding path program 9 times [2019-08-05 10:07:25,048 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:25,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 23 conjunts are in the unsatisfiable core [2019-08-05 10:07:25,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:25,137 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:25,158 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:25,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:25,637 WARN L188 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 16 [2019-08-05 10:07:25,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:25,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:25,949 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 16 [2019-08-05 10:07:25,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:25,953 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:25,994 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:25,995 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:25,996 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,085 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,206 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:26,393 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:26,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2019-08-05 10:07:26,394 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-08-05 10:07:26,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-08-05 10:07:26,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2019-08-05 10:07:26,395 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 13 states. [2019-08-05 10:07:26,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:26,449 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2019-08-05 10:07:26,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-08-05 10:07:26,450 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 12 [2019-08-05 10:07:26,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:26,450 INFO L225 Difference]: With dead ends: 15 [2019-08-05 10:07:26,451 INFO L226 Difference]: Without dead ends: 14 [2019-08-05 10:07:26,452 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2019-08-05 10:07:26,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-08-05 10:07:26,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-08-05 10:07:26,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-08-05 10:07:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2019-08-05 10:07:26,454 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2019-08-05 10:07:26,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:26,454 INFO L475 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2019-08-05 10:07:26,455 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-08-05 10:07:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2019-08-05 10:07:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-08-05 10:07:26,455 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:26,455 INFO L399 BasicCegarLoop]: trace histogram [10, 1, 1, 1] [2019-08-05 10:07:26,455 INFO L418 AbstractCegarLoop]: === Iteration 11 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:26,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:26,456 INFO L82 PathProgramCache]: Analyzing trace with hash -798961952, now seen corresponding path program 10 times [2019-08-05 10:07:26,456 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:26,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 25 conjunts are in the unsatisfiable core [2019-08-05 10:07:26,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:26,529 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,585 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,678 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,718 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,718 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,768 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,769 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,944 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:26,945 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,011 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,026 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:27,026 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:27,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2019-08-05 10:07:27,026 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-08-05 10:07:27,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-08-05 10:07:27,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2019-08-05 10:07:27,027 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 14 states. [2019-08-05 10:07:27,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:27,088 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-08-05 10:07:27,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-08-05 10:07:27,088 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2019-08-05 10:07:27,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:27,089 INFO L225 Difference]: With dead ends: 16 [2019-08-05 10:07:27,090 INFO L226 Difference]: Without dead ends: 15 [2019-08-05 10:07:27,090 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2019-08-05 10:07:27,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-08-05 10:07:27,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-08-05 10:07:27,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-08-05 10:07:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2019-08-05 10:07:27,093 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2019-08-05 10:07:27,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:27,093 INFO L475 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2019-08-05 10:07:27,093 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-08-05 10:07:27,093 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2019-08-05 10:07:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-08-05 10:07:27,094 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:27,094 INFO L399 BasicCegarLoop]: trace histogram [11, 1, 1, 1] [2019-08-05 10:07:27,094 INFO L418 AbstractCegarLoop]: === Iteration 12 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:27,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:27,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1001992864, now seen corresponding path program 11 times [2019-08-05 10:07:27,095 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:27,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 27 conjunts are in the unsatisfiable core [2019-08-05 10:07:27,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:27,170 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,250 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,502 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,502 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,672 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,788 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2019-08-05 10:07:27,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,832 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,918 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,920 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:27,921 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,013 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,014 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,087 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:28,088 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:28,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2019-08-05 10:07:28,088 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-08-05 10:07:28,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-08-05 10:07:28,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2019-08-05 10:07:28,089 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 15 states. [2019-08-05 10:07:28,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:28,160 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2019-08-05 10:07:28,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-08-05 10:07:28,160 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 14 [2019-08-05 10:07:28,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:28,161 INFO L225 Difference]: With dead ends: 17 [2019-08-05 10:07:28,161 INFO L226 Difference]: Without dead ends: 16 [2019-08-05 10:07:28,162 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2019-08-05 10:07:28,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-08-05 10:07:28,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-08-05 10:07:28,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-08-05 10:07:28,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-08-05 10:07:28,165 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2019-08-05 10:07:28,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:28,165 INFO L475 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-08-05 10:07:28,166 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-08-05 10:07:28,166 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-08-05 10:07:28,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-08-05 10:07:28,166 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:28,166 INFO L399 BasicCegarLoop]: trace histogram [12, 1, 1, 1] [2019-08-05 10:07:28,166 INFO L418 AbstractCegarLoop]: === Iteration 13 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:28,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:28,167 INFO L82 PathProgramCache]: Analyzing trace with hash 997017312, now seen corresponding path program 12 times [2019-08-05 10:07:28,168 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:28,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 29 conjunts are in the unsatisfiable core [2019-08-05 10:07:28,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:28,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,246 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,303 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,360 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,464 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,465 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,466 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,686 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,687 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,748 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,749 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:28,815 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:28,815 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:28,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2019-08-05 10:07:28,816 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-08-05 10:07:28,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-08-05 10:07:28,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2019-08-05 10:07:28,817 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 16 states. [2019-08-05 10:07:28,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:28,898 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-08-05 10:07:28,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-08-05 10:07:28,898 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 15 [2019-08-05 10:07:28,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:28,899 INFO L225 Difference]: With dead ends: 18 [2019-08-05 10:07:28,900 INFO L226 Difference]: Without dead ends: 17 [2019-08-05 10:07:28,900 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2019-08-05 10:07:28,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-08-05 10:07:28,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-08-05 10:07:28,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-08-05 10:07:28,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2019-08-05 10:07:28,904 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2019-08-05 10:07:28,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:28,904 INFO L475 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2019-08-05 10:07:28,904 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-08-05 10:07:28,904 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2019-08-05 10:07:28,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-08-05 10:07:28,905 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:28,905 INFO L399 BasicCegarLoop]: trace histogram [13, 1, 1, 1] [2019-08-05 10:07:28,905 INFO L418 AbstractCegarLoop]: === Iteration 14 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:28,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:28,906 INFO L82 PathProgramCache]: Analyzing trace with hash 842775200, now seen corresponding path program 13 times [2019-08-05 10:07:28,906 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:28,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 31 conjunts are in the unsatisfiable core [2019-08-05 10:07:28,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:29,035 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,155 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,335 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,338 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,461 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,462 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,528 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,528 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,572 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,573 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,680 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,682 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,741 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,741 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,784 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,896 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:29,926 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:29,926 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:29,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2019-08-05 10:07:29,926 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-08-05 10:07:29,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-08-05 10:07:29,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2019-08-05 10:07:29,927 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 17 states. [2019-08-05 10:07:30,205 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 11 [2019-08-05 10:07:30,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:30,225 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2019-08-05 10:07:30,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-08-05 10:07:30,226 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2019-08-05 10:07:30,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:30,226 INFO L225 Difference]: With dead ends: 19 [2019-08-05 10:07:30,226 INFO L226 Difference]: Without dead ends: 18 [2019-08-05 10:07:30,227 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2019-08-05 10:07:30,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-08-05 10:07:30,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-08-05 10:07:30,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-08-05 10:07:30,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-08-05 10:07:30,230 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2019-08-05 10:07:30,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:30,231 INFO L475 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-08-05 10:07:30,231 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-08-05 10:07:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-08-05 10:07:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-08-05 10:07:30,231 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:30,232 INFO L399 BasicCegarLoop]: trace histogram [14, 1, 1, 1] [2019-08-05 10:07:30,232 INFO L418 AbstractCegarLoop]: === Iteration 15 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:30,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:30,232 INFO L82 PathProgramCache]: Analyzing trace with hash 356237024, now seen corresponding path program 14 times [2019-08-05 10:07:30,233 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:30,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 33 conjunts are in the unsatisfiable core [2019-08-05 10:07:30,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:30,290 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,318 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,334 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,335 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,369 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,370 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,463 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,464 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,500 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,591 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,630 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,631 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,632 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,759 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,760 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,911 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,911 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,912 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,997 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:30,999 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:31,058 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:31,074 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:31,075 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:31,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2019-08-05 10:07:31,076 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-08-05 10:07:31,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-08-05 10:07:31,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2019-08-05 10:07:31,077 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 18 states. [2019-08-05 10:07:31,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:31,137 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2019-08-05 10:07:31,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-08-05 10:07:31,137 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 17 [2019-08-05 10:07:31,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:31,138 INFO L225 Difference]: With dead ends: 20 [2019-08-05 10:07:31,138 INFO L226 Difference]: Without dead ends: 19 [2019-08-05 10:07:31,139 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2019-08-05 10:07:31,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-08-05 10:07:31,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-08-05 10:07:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-08-05 10:07:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-08-05 10:07:31,142 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2019-08-05 10:07:31,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:31,142 INFO L475 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-08-05 10:07:31,142 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-08-05 10:07:31,142 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-08-05 10:07:31,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-08-05 10:07:31,143 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:31,143 INFO L399 BasicCegarLoop]: trace histogram [15, 1, 1, 1] [2019-08-05 10:07:31,143 INFO L418 AbstractCegarLoop]: === Iteration 16 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:31,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:31,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1841544544, now seen corresponding path program 15 times [2019-08-05 10:07:31,144 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:31,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 35 conjunts are in the unsatisfiable core [2019-08-05 10:07:31,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:31,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:31,348 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:31,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:31,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:31,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:31,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:31,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:31,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:31,436 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:31,437 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:31,977 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 16 [2019-08-05 10:07:31,979 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:31,980 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:32,538 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2019-08-05 10:07:32,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:32,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,026 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2019-08-05 10:07:33,027 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,028 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,146 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,338 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,389 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,440 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,602 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,617 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:33,617 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:33,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2019-08-05 10:07:33,618 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-08-05 10:07:33,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-08-05 10:07:33,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2019-08-05 10:07:33,618 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 19 states. [2019-08-05 10:07:33,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:33,703 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2019-08-05 10:07:33,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-08-05 10:07:33,703 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 18 [2019-08-05 10:07:33,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:33,704 INFO L225 Difference]: With dead ends: 21 [2019-08-05 10:07:33,704 INFO L226 Difference]: Without dead ends: 20 [2019-08-05 10:07:33,705 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2019-08-05 10:07:33,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-08-05 10:07:33,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-08-05 10:07:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-08-05 10:07:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-08-05 10:07:33,709 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2019-08-05 10:07:33,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:33,709 INFO L475 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-08-05 10:07:33,709 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-08-05 10:07:33,709 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-08-05 10:07:33,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-08-05 10:07:33,710 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:33,710 INFO L399 BasicCegarLoop]: trace histogram [16, 1, 1, 1] [2019-08-05 10:07:33,710 INFO L418 AbstractCegarLoop]: === Iteration 17 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:33,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:33,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1253296416, now seen corresponding path program 16 times [2019-08-05 10:07:33,711 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:33,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 37 conjunts are in the unsatisfiable core [2019-08-05 10:07:33,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:33,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,882 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,883 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,917 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,918 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,984 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:33,986 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,027 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,028 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,191 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,192 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,238 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,467 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,468 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,577 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:34,592 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:34,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2019-08-05 10:07:34,592 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-08-05 10:07:34,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-08-05 10:07:34,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2019-08-05 10:07:34,593 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 20 states. [2019-08-05 10:07:34,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:34,685 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2019-08-05 10:07:34,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-08-05 10:07:34,685 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 19 [2019-08-05 10:07:34,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:34,686 INFO L225 Difference]: With dead ends: 22 [2019-08-05 10:07:34,686 INFO L226 Difference]: Without dead ends: 21 [2019-08-05 10:07:34,687 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2019-08-05 10:07:34,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-08-05 10:07:34,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-08-05 10:07:34,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-08-05 10:07:34,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-08-05 10:07:34,691 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2019-08-05 10:07:34,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:34,691 INFO L475 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-08-05 10:07:34,691 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-08-05 10:07:34,692 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-08-05 10:07:34,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-08-05 10:07:34,692 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:34,692 INFO L399 BasicCegarLoop]: trace histogram [17, 1, 1, 1] [2019-08-05 10:07:34,692 INFO L418 AbstractCegarLoop]: === Iteration 18 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:34,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:34,693 INFO L82 PathProgramCache]: Analyzing trace with hash -197473632, now seen corresponding path program 17 times [2019-08-05 10:07:34,693 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:34,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 39 conjunts are in the unsatisfiable core [2019-08-05 10:07:34,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:34,770 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,876 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,967 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:34,968 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,009 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,010 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,154 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,155 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,452 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,453 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,544 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,608 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,609 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,706 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,774 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,775 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:35,929 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:35,929 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:35,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2019-08-05 10:07:35,930 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-08-05 10:07:35,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-08-05 10:07:35,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2019-08-05 10:07:35,931 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 21 states. [2019-08-05 10:07:35,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:35,998 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2019-08-05 10:07:35,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-08-05 10:07:35,998 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 20 [2019-08-05 10:07:35,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:35,999 INFO L225 Difference]: With dead ends: 23 [2019-08-05 10:07:35,999 INFO L226 Difference]: Without dead ends: 22 [2019-08-05 10:07:36,000 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=212, Invalid=250, Unknown=0, NotChecked=0, Total=462 [2019-08-05 10:07:36,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-08-05 10:07:36,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-08-05 10:07:36,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-08-05 10:07:36,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2019-08-05 10:07:36,003 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2019-08-05 10:07:36,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:36,003 INFO L475 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2019-08-05 10:07:36,004 INFO L476 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-08-05 10:07:36,004 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2019-08-05 10:07:36,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-08-05 10:07:36,004 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:36,004 INFO L399 BasicCegarLoop]: trace histogram [18, 1, 1, 1] [2019-08-05 10:07:36,005 INFO L418 AbstractCegarLoop]: === Iteration 19 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:36,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:36,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1826705696, now seen corresponding path program 18 times [2019-08-05 10:07:36,006 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:36,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 41 conjunts are in the unsatisfiable core [2019-08-05 10:07:36,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:36,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,126 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,127 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,128 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,169 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,169 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,352 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,353 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,749 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2019-08-05 10:07:36,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,894 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,894 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,940 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,940 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,986 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:36,987 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,048 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,049 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,137 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,334 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,335 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:37,410 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:37,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2019-08-05 10:07:37,410 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-08-05 10:07:37,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-08-05 10:07:37,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=250, Unknown=0, NotChecked=0, Total=462 [2019-08-05 10:07:37,411 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 22 states. [2019-08-05 10:07:37,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:37,478 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-08-05 10:07:37,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-08-05 10:07:37,478 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 21 [2019-08-05 10:07:37,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:37,479 INFO L225 Difference]: With dead ends: 24 [2019-08-05 10:07:37,479 INFO L226 Difference]: Without dead ends: 23 [2019-08-05 10:07:37,480 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2019-08-05 10:07:37,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-08-05 10:07:37,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-08-05 10:07:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-08-05 10:07:37,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2019-08-05 10:07:37,485 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2019-08-05 10:07:37,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:37,485 INFO L475 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2019-08-05 10:07:37,485 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-08-05 10:07:37,485 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2019-08-05 10:07:37,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-08-05 10:07:37,486 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:37,486 INFO L399 BasicCegarLoop]: trace histogram [19, 1, 1, 1] [2019-08-05 10:07:37,486 INFO L418 AbstractCegarLoop]: === Iteration 20 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:37,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:37,487 INFO L82 PathProgramCache]: Analyzing trace with hash -793292128, now seen corresponding path program 19 times [2019-08-05 10:07:37,487 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:37,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 43 conjunts are in the unsatisfiable core [2019-08-05 10:07:37,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:37,617 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,874 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-08-05 10:07:37,875 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,876 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:37,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,394 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 22 [2019-08-05 10:07:38,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,505 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,506 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,506 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,553 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,705 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,705 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,744 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,745 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,745 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,808 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,901 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:38,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,010 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,010 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,011 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,353 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,354 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,354 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,420 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:39,440 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:39,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2019-08-05 10:07:39,440 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-08-05 10:07:39,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-08-05 10:07:39,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2019-08-05 10:07:39,441 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 23 states. [2019-08-05 10:07:39,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:39,555 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2019-08-05 10:07:39,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-08-05 10:07:39,555 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 22 [2019-08-05 10:07:39,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:39,556 INFO L225 Difference]: With dead ends: 25 [2019-08-05 10:07:39,556 INFO L226 Difference]: Without dead ends: 24 [2019-08-05 10:07:39,557 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=255, Invalid=297, Unknown=0, NotChecked=0, Total=552 [2019-08-05 10:07:39,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-08-05 10:07:39,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-08-05 10:07:39,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-08-05 10:07:39,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2019-08-05 10:07:39,560 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 22 [2019-08-05 10:07:39,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:39,560 INFO L475 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2019-08-05 10:07:39,560 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-08-05 10:07:39,560 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2019-08-05 10:07:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-08-05 10:07:39,561 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:39,561 INFO L399 BasicCegarLoop]: trace histogram [20, 1, 1, 1] [2019-08-05 10:07:39,561 INFO L418 AbstractCegarLoop]: === Iteration 21 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:39,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:39,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1177757408, now seen corresponding path program 20 times [2019-08-05 10:07:39,562 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:39,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 45 conjunts are in the unsatisfiable core [2019-08-05 10:07:39,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:39,628 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,643 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,658 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,659 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,744 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,745 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,778 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,779 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,915 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,916 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,955 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,994 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:39,994 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,034 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,035 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,137 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,198 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,200 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,434 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,435 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,501 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,502 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,568 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,569 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,569 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,636 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,637 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,726 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:40,727 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,415 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2019-08-05 10:07:41,417 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,417 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,418 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:41,508 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:41,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2019-08-05 10:07:41,509 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-08-05 10:07:41,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-08-05 10:07:41,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=297, Unknown=0, NotChecked=0, Total=552 [2019-08-05 10:07:41,510 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 24 states. [2019-08-05 10:07:41,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:41,615 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-08-05 10:07:41,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-08-05 10:07:41,615 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 23 [2019-08-05 10:07:41,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:41,616 INFO L225 Difference]: With dead ends: 26 [2019-08-05 10:07:41,616 INFO L226 Difference]: Without dead ends: 25 [2019-08-05 10:07:41,617 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2019-08-05 10:07:41,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-08-05 10:07:41,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-08-05 10:07:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-08-05 10:07:41,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2019-08-05 10:07:41,620 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2019-08-05 10:07:41,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:41,620 INFO L475 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2019-08-05 10:07:41,621 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-08-05 10:07:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2019-08-05 10:07:41,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-08-05 10:07:41,621 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:41,621 INFO L399 BasicCegarLoop]: trace histogram [21, 1, 1, 1] [2019-08-05 10:07:41,622 INFO L418 AbstractCegarLoop]: === Iteration 22 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:41,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:41,622 INFO L82 PathProgramCache]: Analyzing trace with hash -2144216416, now seen corresponding path program 21 times [2019-08-05 10:07:41,623 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:41,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 47 conjunts are in the unsatisfiable core [2019-08-05 10:07:41,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:41,668 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,689 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,690 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,721 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,754 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,755 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,882 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,883 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,883 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,930 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,931 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,969 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,970 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:41,970 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,024 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,025 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,112 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,113 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,427 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,427 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,489 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,491 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,491 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,569 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,570 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,638 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,938 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:42,939 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,027 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,048 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:43,048 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:43,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2019-08-05 10:07:43,048 INFO L454 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-08-05 10:07:43,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-08-05 10:07:43,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2019-08-05 10:07:43,049 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 25 states. [2019-08-05 10:07:43,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:43,133 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2019-08-05 10:07:43,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-08-05 10:07:43,134 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 24 [2019-08-05 10:07:43,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:43,135 INFO L225 Difference]: With dead ends: 27 [2019-08-05 10:07:43,135 INFO L226 Difference]: Without dead ends: 26 [2019-08-05 10:07:43,135 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2019-08-05 10:07:43,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-08-05 10:07:43,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-08-05 10:07:43,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-08-05 10:07:43,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-08-05 10:07:43,138 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 24 [2019-08-05 10:07:43,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:43,138 INFO L475 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-08-05 10:07:43,138 INFO L476 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-08-05 10:07:43,138 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-08-05 10:07:43,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-08-05 10:07:43,139 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:43,139 INFO L399 BasicCegarLoop]: trace histogram [22, 1, 1, 1] [2019-08-05 10:07:43,139 INFO L418 AbstractCegarLoop]: === Iteration 23 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:43,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:43,140 INFO L82 PathProgramCache]: Analyzing trace with hash -2046189856, now seen corresponding path program 22 times [2019-08-05 10:07:43,140 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:43,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 49 conjunts are in the unsatisfiable core [2019-08-05 10:07:43,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:43,222 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,329 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,329 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,373 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,374 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,445 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,445 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,483 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,484 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,484 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,619 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,620 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,680 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,681 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,681 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,737 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,737 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,738 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,906 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:43,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,030 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,231 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,363 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,420 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,487 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,507 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:44,507 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:44,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2019-08-05 10:07:44,508 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-08-05 10:07:44,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-08-05 10:07:44,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2019-08-05 10:07:44,509 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 26 states. [2019-08-05 10:07:44,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:44,638 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2019-08-05 10:07:44,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-08-05 10:07:44,639 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 25 [2019-08-05 10:07:44,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:44,639 INFO L225 Difference]: With dead ends: 28 [2019-08-05 10:07:44,640 INFO L226 Difference]: Without dead ends: 27 [2019-08-05 10:07:44,640 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2019-08-05 10:07:44,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-08-05 10:07:44,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-08-05 10:07:44,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-08-05 10:07:44,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2019-08-05 10:07:44,644 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2019-08-05 10:07:44,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:44,644 INFO L475 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2019-08-05 10:07:44,644 INFO L476 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-08-05 10:07:44,646 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2019-08-05 10:07:44,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-08-05 10:07:44,646 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:44,646 INFO L399 BasicCegarLoop]: trace histogram [23, 1, 1, 1] [2019-08-05 10:07:44,647 INFO L418 AbstractCegarLoop]: === Iteration 24 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:44,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:44,647 INFO L82 PathProgramCache]: Analyzing trace with hash 992633504, now seen corresponding path program 23 times [2019-08-05 10:07:44,648 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:44,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 51 conjunts are in the unsatisfiable core [2019-08-05 10:07:44,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:44,728 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,746 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,747 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,824 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,906 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,906 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,949 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,950 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,988 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:44,989 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,239 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,350 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,533 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2019-08-05 10:07:45,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,593 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,593 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,594 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,737 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,738 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,899 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:45,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,113 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,114 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,611 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2019-08-05 10:07:46,612 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:46,634 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:46,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2019-08-05 10:07:46,634 INFO L454 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-08-05 10:07:46,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-08-05 10:07:46,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2019-08-05 10:07:46,637 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 27 states. [2019-08-05 10:07:46,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:46,753 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2019-08-05 10:07:46,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-08-05 10:07:46,753 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 26 [2019-08-05 10:07:46,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:46,754 INFO L225 Difference]: With dead ends: 29 [2019-08-05 10:07:46,754 INFO L226 Difference]: Without dead ends: 28 [2019-08-05 10:07:46,754 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=353, Invalid=403, Unknown=0, NotChecked=0, Total=756 [2019-08-05 10:07:46,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-08-05 10:07:46,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-08-05 10:07:46,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-08-05 10:07:46,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2019-08-05 10:07:46,758 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 26 [2019-08-05 10:07:46,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:46,758 INFO L475 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2019-08-05 10:07:46,758 INFO L476 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-08-05 10:07:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2019-08-05 10:07:46,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-08-05 10:07:46,759 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:46,759 INFO L399 BasicCegarLoop]: trace histogram [24, 1, 1, 1] [2019-08-05 10:07:46,759 INFO L418 AbstractCegarLoop]: === Iteration 25 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:46,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:46,760 INFO L82 PathProgramCache]: Analyzing trace with hash 706877152, now seen corresponding path program 24 times [2019-08-05 10:07:46,760 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:46,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 53 conjunts are in the unsatisfiable core [2019-08-05 10:07:46,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:46,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,886 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,887 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,920 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,920 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,960 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:46,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:47,012 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:47,013 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:47,013 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:47,169 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:47,171 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:47,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:47,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:47,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:47,873 WARN L188 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 22 [2019-08-05 10:07:47,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:47,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:47,937 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:47,938 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:47,938 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,027 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,028 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,113 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,114 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,114 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,209 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,455 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,456 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,514 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,515 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,613 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,668 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,669 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,723 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,724 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,725 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,922 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:48,923 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,030 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:49,052 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:49,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2019-08-05 10:07:49,053 INFO L454 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-08-05 10:07:49,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-08-05 10:07:49,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=403, Unknown=0, NotChecked=0, Total=756 [2019-08-05 10:07:49,054 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 28 states. [2019-08-05 10:07:49,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:49,151 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2019-08-05 10:07:49,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-08-05 10:07:49,151 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 27 [2019-08-05 10:07:49,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:49,152 INFO L225 Difference]: With dead ends: 30 [2019-08-05 10:07:49,152 INFO L226 Difference]: Without dead ends: 29 [2019-08-05 10:07:49,152 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2019-08-05 10:07:49,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-08-05 10:07:49,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-08-05 10:07:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-08-05 10:07:49,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2019-08-05 10:07:49,155 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 27 [2019-08-05 10:07:49,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:49,155 INFO L475 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2019-08-05 10:07:49,155 INFO L476 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-08-05 10:07:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2019-08-05 10:07:49,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-08-05 10:07:49,156 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:49,156 INFO L399 BasicCegarLoop]: trace histogram [25, 1, 1, 1] [2019-08-05 10:07:49,156 INFO L418 AbstractCegarLoop]: === Iteration 26 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:49,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:49,157 INFO L82 PathProgramCache]: Analyzing trace with hash 438364832, now seen corresponding path program 25 times [2019-08-05 10:07:49,157 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:49,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 55 conjunts are in the unsatisfiable core [2019-08-05 10:07:49,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:49,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,363 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,443 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,445 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,785 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 22 [2019-08-05 10:07:49,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,896 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,953 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:49,953 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,007 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,007 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,008 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,061 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,134 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,135 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,195 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,242 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,336 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,413 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,464 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,464 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,465 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,706 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,926 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,927 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:50,989 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:51,013 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:51,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2019-08-05 10:07:51,013 INFO L454 AbstractCegarLoop]: Interpolant automaton has 29 states [2019-08-05 10:07:51,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2019-08-05 10:07:51,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2019-08-05 10:07:51,014 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 29 states. [2019-08-05 10:07:51,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:51,119 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2019-08-05 10:07:51,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-08-05 10:07:51,119 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 28 [2019-08-05 10:07:51,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:51,120 INFO L225 Difference]: With dead ends: 31 [2019-08-05 10:07:51,120 INFO L226 Difference]: Without dead ends: 30 [2019-08-05 10:07:51,121 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=408, Invalid=462, Unknown=0, NotChecked=0, Total=870 [2019-08-05 10:07:51,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-08-05 10:07:51,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-08-05 10:07:51,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-08-05 10:07:51,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2019-08-05 10:07:51,123 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 28 [2019-08-05 10:07:51,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:51,124 INFO L475 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2019-08-05 10:07:51,124 INFO L476 AbstractCegarLoop]: Interpolant automaton has 29 states. [2019-08-05 10:07:51,124 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2019-08-05 10:07:51,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-08-05 10:07:51,124 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:51,124 INFO L399 BasicCegarLoop]: trace histogram [26, 1, 1, 1] [2019-08-05 10:07:51,125 INFO L418 AbstractCegarLoop]: === Iteration 27 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:51,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:51,125 INFO L82 PathProgramCache]: Analyzing trace with hash 704417504, now seen corresponding path program 26 times [2019-08-05 10:07:51,126 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:51,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 57 conjunts are in the unsatisfiable core [2019-08-05 10:07:51,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:51,182 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,203 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,345 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,346 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,381 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,422 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,423 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,423 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,844 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 22 [2019-08-05 10:07:51,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,896 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,896 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,937 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,938 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,981 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:51,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,041 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,042 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,206 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,452 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,453 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,511 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,512 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,513 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,647 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,647 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,717 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:52,951 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:53,002 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:53,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2019-08-05 10:07:53,003 INFO L454 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-08-05 10:07:53,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-08-05 10:07:53,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=462, Unknown=0, NotChecked=0, Total=870 [2019-08-05 10:07:53,003 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 30 states. [2019-08-05 10:07:53,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:53,130 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2019-08-05 10:07:53,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-08-05 10:07:53,131 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 29 [2019-08-05 10:07:53,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:53,132 INFO L225 Difference]: With dead ends: 32 [2019-08-05 10:07:53,132 INFO L226 Difference]: Without dead ends: 31 [2019-08-05 10:07:53,133 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2019-08-05 10:07:53,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-08-05 10:07:53,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-08-05 10:07:53,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-08-05 10:07:53,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2019-08-05 10:07:53,135 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 29 [2019-08-05 10:07:53,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:53,135 INFO L475 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2019-08-05 10:07:53,135 INFO L476 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-08-05 10:07:53,135 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2019-08-05 10:07:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-08-05 10:07:53,136 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:53,136 INFO L399 BasicCegarLoop]: trace histogram [27, 1, 1, 1] [2019-08-05 10:07:53,136 INFO L418 AbstractCegarLoop]: === Iteration 28 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:53,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:53,137 INFO L82 PathProgramCache]: Analyzing trace with hash 362115744, now seen corresponding path program 27 times [2019-08-05 10:07:53,137 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:53,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 59 conjunts are in the unsatisfiable core [2019-08-05 10:07:53,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:53,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,324 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,445 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,529 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,529 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,570 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,700 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,743 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,744 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,891 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,949 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:53,950 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,001 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,002 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,125 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,125 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,126 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,202 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,203 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,358 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,359 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,424 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,425 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,486 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,487 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,487 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,638 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:54,663 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:54,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2019-08-05 10:07:54,664 INFO L454 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-08-05 10:07:54,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-08-05 10:07:54,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2019-08-05 10:07:54,665 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 31 states. [2019-08-05 10:07:54,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:54,761 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2019-08-05 10:07:54,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-08-05 10:07:54,762 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 30 [2019-08-05 10:07:54,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:54,763 INFO L225 Difference]: With dead ends: 33 [2019-08-05 10:07:54,763 INFO L226 Difference]: Without dead ends: 32 [2019-08-05 10:07:54,763 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=467, Invalid=525, Unknown=0, NotChecked=0, Total=992 [2019-08-05 10:07:54,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-08-05 10:07:54,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-08-05 10:07:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-08-05 10:07:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2019-08-05 10:07:54,767 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 30 [2019-08-05 10:07:54,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:54,768 INFO L475 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2019-08-05 10:07:54,768 INFO L476 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-08-05 10:07:54,768 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2019-08-05 10:07:54,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-08-05 10:07:54,769 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:54,769 INFO L399 BasicCegarLoop]: trace histogram [28, 1, 1, 1] [2019-08-05 10:07:54,769 INFO L418 AbstractCegarLoop]: === Iteration 29 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:54,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:54,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1659304224, now seen corresponding path program 28 times [2019-08-05 10:07:54,770 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:54,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 61 conjunts are in the unsatisfiable core [2019-08-05 10:07:54,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:54,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,884 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,885 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,886 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,918 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,920 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,989 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:54,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,030 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,030 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,106 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,238 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,356 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,356 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,449 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,450 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,500 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,554 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,555 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,670 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,670 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,671 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,742 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,743 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,798 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,798 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,920 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:55,921 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,003 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,004 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,339 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,339 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,497 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,523 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:56,523 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:56,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2019-08-05 10:07:56,523 INFO L454 AbstractCegarLoop]: Interpolant automaton has 32 states [2019-08-05 10:07:56,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2019-08-05 10:07:56,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=467, Invalid=525, Unknown=0, NotChecked=0, Total=992 [2019-08-05 10:07:56,524 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 32 states. [2019-08-05 10:07:56,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:56,614 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2019-08-05 10:07:56,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-08-05 10:07:56,614 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 31 [2019-08-05 10:07:56,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:56,615 INFO L225 Difference]: With dead ends: 34 [2019-08-05 10:07:56,615 INFO L226 Difference]: Without dead ends: 33 [2019-08-05 10:07:56,616 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2019-08-05 10:07:56,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-08-05 10:07:56,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-08-05 10:07:56,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-08-05 10:07:56,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2019-08-05 10:07:56,619 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2019-08-05 10:07:56,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:56,619 INFO L475 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2019-08-05 10:07:56,619 INFO L476 AbstractCegarLoop]: Interpolant automaton has 32 states. [2019-08-05 10:07:56,619 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2019-08-05 10:07:56,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-08-05 10:07:56,620 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:56,620 INFO L399 BasicCegarLoop]: trace histogram [29, 1, 1, 1] [2019-08-05 10:07:56,620 INFO L418 AbstractCegarLoop]: === Iteration 30 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:56,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:56,621 INFO L82 PathProgramCache]: Analyzing trace with hash 101186208, now seen corresponding path program 29 times [2019-08-05 10:07:56,621 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:56,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 63 conjunts are in the unsatisfiable core [2019-08-05 10:07:56,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:56,714 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,735 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,736 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,797 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,798 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,832 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,911 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,996 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:56,996 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,041 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,041 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,042 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,192 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,192 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,239 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,239 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,331 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,332 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,975 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2019-08-05 10:07:57,976 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:57,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,031 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,032 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,134 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,135 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,228 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,714 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,714 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,784 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,932 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:58,932 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:59,004 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:07:59,031 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:07:59,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2019-08-05 10:07:59,031 INFO L454 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-08-05 10:07:59,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-08-05 10:07:59,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2019-08-05 10:07:59,032 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 33 states. [2019-08-05 10:07:59,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:07:59,132 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2019-08-05 10:07:59,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-08-05 10:07:59,132 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 32 [2019-08-05 10:07:59,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:07:59,133 INFO L225 Difference]: With dead ends: 35 [2019-08-05 10:07:59,133 INFO L226 Difference]: Without dead ends: 34 [2019-08-05 10:07:59,134 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=530, Invalid=592, Unknown=0, NotChecked=0, Total=1122 [2019-08-05 10:07:59,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-08-05 10:07:59,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-08-05 10:07:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-08-05 10:07:59,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2019-08-05 10:07:59,137 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 32 [2019-08-05 10:07:59,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:07:59,137 INFO L475 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2019-08-05 10:07:59,137 INFO L476 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-08-05 10:07:59,137 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2019-08-05 10:07:59,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-08-05 10:07:59,138 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:07:59,138 INFO L399 BasicCegarLoop]: trace histogram [30, 1, 1, 1] [2019-08-05 10:07:59,138 INFO L418 AbstractCegarLoop]: === Iteration 31 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:07:59,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:07:59,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1158185248, now seen corresponding path program 30 times [2019-08-05 10:07:59,139 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:07:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:07:59,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 65 conjunts are in the unsatisfiable core [2019-08-05 10:07:59,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:07:59,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:59,496 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-08-05 10:07:59,498 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:59,498 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:07:59,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,030 WARN L188 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 22 [2019-08-05 10:08:00,031 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,032 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,032 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,209 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,242 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,244 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,369 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,370 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,446 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,447 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,487 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,488 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,534 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,624 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,625 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,671 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,672 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,735 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,736 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,737 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,907 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,979 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:00,980 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,034 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,149 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,300 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,363 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,430 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,502 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,503 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,503 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,690 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,691 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:01,795 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:01,795 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:01,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2019-08-05 10:08:01,796 INFO L454 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-08-05 10:08:01,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-08-05 10:08:01,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=592, Unknown=0, NotChecked=0, Total=1122 [2019-08-05 10:08:01,796 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 34 states. [2019-08-05 10:08:01,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:01,911 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2019-08-05 10:08:01,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-08-05 10:08:01,911 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 33 [2019-08-05 10:08:01,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:01,912 INFO L225 Difference]: With dead ends: 36 [2019-08-05 10:08:01,912 INFO L226 Difference]: Without dead ends: 35 [2019-08-05 10:08:01,913 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2019-08-05 10:08:01,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-08-05 10:08:01,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-08-05 10:08:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-08-05 10:08:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2019-08-05 10:08:01,916 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 33 [2019-08-05 10:08:01,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:01,916 INFO L475 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2019-08-05 10:08:01,916 INFO L476 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-08-05 10:08:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2019-08-05 10:08:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-08-05 10:08:01,917 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:01,917 INFO L399 BasicCegarLoop]: trace histogram [31, 1, 1, 1] [2019-08-05 10:08:01,917 INFO L418 AbstractCegarLoop]: === Iteration 32 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:01,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:01,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1543994720, now seen corresponding path program 31 times [2019-08-05 10:08:01,918 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:01,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 67 conjunts are in the unsatisfiable core [2019-08-05 10:08:01,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:01,993 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,007 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,008 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,008 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,106 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,107 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,186 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,227 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,228 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,355 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,356 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,443 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,443 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,495 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,495 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,560 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,560 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,610 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,611 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,665 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,666 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,717 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,899 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,997 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,997 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:02,998 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,074 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,359 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,360 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,618 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,619 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,619 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,778 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,779 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,966 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:03,998 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:03,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2019-08-05 10:08:03,999 INFO L454 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-08-05 10:08:03,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-08-05 10:08:04,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2019-08-05 10:08:04,000 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 35 states. [2019-08-05 10:08:04,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:04,109 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2019-08-05 10:08:04,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-08-05 10:08:04,109 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 34 [2019-08-05 10:08:04,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:04,110 INFO L225 Difference]: With dead ends: 37 [2019-08-05 10:08:04,110 INFO L226 Difference]: Without dead ends: 36 [2019-08-05 10:08:04,111 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2019-08-05 10:08:04,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-08-05 10:08:04,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-08-05 10:08:04,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-08-05 10:08:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2019-08-05 10:08:04,114 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34 [2019-08-05 10:08:04,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:04,114 INFO L475 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2019-08-05 10:08:04,115 INFO L476 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-08-05 10:08:04,115 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2019-08-05 10:08:04,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-08-05 10:08:04,115 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:04,115 INFO L399 BasicCegarLoop]: trace histogram [32, 1, 1, 1] [2019-08-05 10:08:04,115 INFO L418 AbstractCegarLoop]: === Iteration 33 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:04,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:04,116 INFO L82 PathProgramCache]: Analyzing trace with hash -619186464, now seen corresponding path program 32 times [2019-08-05 10:08:04,116 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:04,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 69 conjunts are in the unsatisfiable core [2019-08-05 10:08:04,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:04,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,276 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,335 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,336 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,371 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,371 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,442 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,442 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,443 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,514 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,515 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,553 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,554 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,637 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,638 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,638 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,691 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,753 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,753 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,754 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,907 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:04,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,122 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,123 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,123 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,197 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,379 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,380 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,440 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,440 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,502 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,503 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,504 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,743 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,744 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,912 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,913 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:05,913 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,005 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,006 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:06,111 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:06,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2019-08-05 10:08:06,112 INFO L454 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-08-05 10:08:06,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-08-05 10:08:06,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2019-08-05 10:08:06,113 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 36 states. [2019-08-05 10:08:06,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:06,206 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2019-08-05 10:08:06,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2019-08-05 10:08:06,206 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 35 [2019-08-05 10:08:06,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:06,207 INFO L225 Difference]: With dead ends: 38 [2019-08-05 10:08:06,207 INFO L226 Difference]: Without dead ends: 37 [2019-08-05 10:08:06,208 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=632, Invalid=700, Unknown=0, NotChecked=0, Total=1332 [2019-08-05 10:08:06,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-08-05 10:08:06,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-08-05 10:08:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-08-05 10:08:06,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2019-08-05 10:08:06,211 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 35 [2019-08-05 10:08:06,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:06,211 INFO L475 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2019-08-05 10:08:06,211 INFO L476 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-08-05 10:08:06,211 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2019-08-05 10:08:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-08-05 10:08:06,212 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:06,212 INFO L399 BasicCegarLoop]: trace histogram [33, 1, 1, 1] [2019-08-05 10:08:06,212 INFO L418 AbstractCegarLoop]: === Iteration 34 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:06,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:06,212 INFO L82 PathProgramCache]: Analyzing trace with hash -2014901600, now seen corresponding path program 33 times [2019-08-05 10:08:06,213 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:06,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 71 conjunts are in the unsatisfiable core [2019-08-05 10:08:06,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:06,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,314 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,345 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,346 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,377 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,378 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,379 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,419 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,420 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,462 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,463 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,498 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,576 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,577 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,577 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,633 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,633 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,679 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,679 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,764 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,909 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,960 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:06,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,025 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,338 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,339 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,504 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,505 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,572 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,573 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,628 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,629 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,988 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:07,989 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,059 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,060 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,135 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,265 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:08,265 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:08,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2019-08-05 10:08:08,265 INFO L454 AbstractCegarLoop]: Interpolant automaton has 37 states [2019-08-05 10:08:08,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2019-08-05 10:08:08,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=700, Unknown=0, NotChecked=0, Total=1332 [2019-08-05 10:08:08,266 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 37 states. [2019-08-05 10:08:08,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:08,403 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2019-08-05 10:08:08,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-08-05 10:08:08,403 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 36 [2019-08-05 10:08:08,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:08,404 INFO L225 Difference]: With dead ends: 39 [2019-08-05 10:08:08,404 INFO L226 Difference]: Without dead ends: 38 [2019-08-05 10:08:08,405 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=668, Invalid=738, Unknown=0, NotChecked=0, Total=1406 [2019-08-05 10:08:08,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-08-05 10:08:08,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-08-05 10:08:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-08-05 10:08:08,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2019-08-05 10:08:08,407 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 36 [2019-08-05 10:08:08,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:08,407 INFO L475 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2019-08-05 10:08:08,407 INFO L476 AbstractCegarLoop]: Interpolant automaton has 37 states. [2019-08-05 10:08:08,407 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2019-08-05 10:08:08,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-08-05 10:08:08,407 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:08,407 INFO L399 BasicCegarLoop]: trace histogram [34, 1, 1, 1] [2019-08-05 10:08:08,407 INFO L418 AbstractCegarLoop]: === Iteration 35 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:08,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:08,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1962569440, now seen corresponding path program 34 times [2019-08-05 10:08:08,408 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:08,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 73 conjunts are in the unsatisfiable core [2019-08-05 10:08:08,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:08,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,675 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,676 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,714 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,745 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,746 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,780 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,911 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,912 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:08,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,002 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,003 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,003 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,063 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,063 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,117 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,117 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,336 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,385 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,443 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,494 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,495 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,553 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,554 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,554 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,624 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,625 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,682 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,683 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,683 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,759 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,760 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,761 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,835 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,835 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,914 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,915 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,978 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:09,978 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,061 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,126 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,127 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,295 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,531 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,532 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,533 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,638 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,638 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,748 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:10,780 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:10,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2019-08-05 10:08:10,780 INFO L454 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-08-05 10:08:10,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-08-05 10:08:10,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=738, Unknown=0, NotChecked=0, Total=1406 [2019-08-05 10:08:10,781 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 38 states. [2019-08-05 10:08:10,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:10,895 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2019-08-05 10:08:10,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-08-05 10:08:10,895 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 37 [2019-08-05 10:08:10,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:10,896 INFO L225 Difference]: With dead ends: 40 [2019-08-05 10:08:10,896 INFO L226 Difference]: Without dead ends: 39 [2019-08-05 10:08:10,897 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=705, Invalid=777, Unknown=0, NotChecked=0, Total=1482 [2019-08-05 10:08:10,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-08-05 10:08:10,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-08-05 10:08:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-08-05 10:08:10,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2019-08-05 10:08:10,899 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 37 [2019-08-05 10:08:10,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:10,900 INFO L475 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2019-08-05 10:08:10,900 INFO L476 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-08-05 10:08:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2019-08-05 10:08:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-08-05 10:08:10,900 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:10,901 INFO L399 BasicCegarLoop]: trace histogram [35, 1, 1, 1] [2019-08-05 10:08:10,901 INFO L418 AbstractCegarLoop]: === Iteration 36 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:10,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:10,901 INFO L82 PathProgramCache]: Analyzing trace with hash 710120096, now seen corresponding path program 35 times [2019-08-05 10:08:10,902 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:10,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 75 conjunts are in the unsatisfiable core [2019-08-05 10:08:10,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:11,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,039 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,040 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,100 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,100 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,134 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,135 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,135 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,301 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,302 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,342 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,342 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,385 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,385 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,440 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,441 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,489 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,547 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,547 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,607 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,608 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,663 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,664 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,664 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,728 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,729 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,779 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,780 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,780 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,939 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,940 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:11,940 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,013 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,013 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,374 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,375 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,438 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,524 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,594 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,594 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,665 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,665 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,832 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,832 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,907 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:12,909 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,013 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,013 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,098 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,183 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:13,217 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:13,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2019-08-05 10:08:13,218 INFO L454 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-08-05 10:08:13,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-08-05 10:08:13,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=705, Invalid=777, Unknown=0, NotChecked=0, Total=1482 [2019-08-05 10:08:13,219 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 39 states. [2019-08-05 10:08:13,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:13,329 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2019-08-05 10:08:13,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2019-08-05 10:08:13,329 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 38 [2019-08-05 10:08:13,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:13,330 INFO L225 Difference]: With dead ends: 41 [2019-08-05 10:08:13,330 INFO L226 Difference]: Without dead ends: 40 [2019-08-05 10:08:13,331 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=743, Invalid=817, Unknown=0, NotChecked=0, Total=1560 [2019-08-05 10:08:13,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-08-05 10:08:13,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-08-05 10:08:13,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-08-05 10:08:13,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2019-08-05 10:08:13,334 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 38 [2019-08-05 10:08:13,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:13,334 INFO L475 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2019-08-05 10:08:13,334 INFO L476 AbstractCegarLoop]: Interpolant automaton has 39 states. [2019-08-05 10:08:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2019-08-05 10:08:13,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-08-05 10:08:13,335 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:13,335 INFO L399 BasicCegarLoop]: trace histogram [36, 1, 1, 1] [2019-08-05 10:08:13,335 INFO L418 AbstractCegarLoop]: === Iteration 37 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:13,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:13,335 INFO L82 PathProgramCache]: Analyzing trace with hash 538896096, now seen corresponding path program 36 times [2019-08-05 10:08:13,336 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:13,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 77 conjunts are in the unsatisfiable core [2019-08-05 10:08:13,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:13,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,429 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,429 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,495 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,567 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,568 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,635 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,635 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,693 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,767 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,896 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,939 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,940 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,941 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,997 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:13,998 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,169 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,170 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,170 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,238 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,239 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,355 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,356 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,468 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,617 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,618 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,618 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,696 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,697 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,760 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,761 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,824 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,888 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,974 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:14,975 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,048 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,116 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,116 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,259 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,438 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,513 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,514 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,686 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,719 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:15,719 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:15,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2019-08-05 10:08:15,720 INFO L454 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-08-05 10:08:15,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-08-05 10:08:15,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=743, Invalid=817, Unknown=0, NotChecked=0, Total=1560 [2019-08-05 10:08:15,721 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 40 states. [2019-08-05 10:08:15,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:15,831 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2019-08-05 10:08:15,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-08-05 10:08:15,832 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 39 [2019-08-05 10:08:15,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:15,832 INFO L225 Difference]: With dead ends: 42 [2019-08-05 10:08:15,832 INFO L226 Difference]: Without dead ends: 41 [2019-08-05 10:08:15,833 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=782, Invalid=858, Unknown=0, NotChecked=0, Total=1640 [2019-08-05 10:08:15,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-08-05 10:08:15,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-08-05 10:08:15,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-08-05 10:08:15,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2019-08-05 10:08:15,835 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 39 [2019-08-05 10:08:15,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:15,836 INFO L475 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2019-08-05 10:08:15,836 INFO L476 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-08-05 10:08:15,836 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2019-08-05 10:08:15,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-08-05 10:08:15,836 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:15,837 INFO L399 BasicCegarLoop]: trace histogram [37, 1, 1, 1] [2019-08-05 10:08:15,837 INFO L418 AbstractCegarLoop]: === Iteration 38 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:15,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:15,837 INFO L82 PathProgramCache]: Analyzing trace with hash -474080608, now seen corresponding path program 37 times [2019-08-05 10:08:15,838 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:15,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 79 conjunts are in the unsatisfiable core [2019-08-05 10:08:15,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:15,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,991 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:15,992 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,025 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,025 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,099 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,099 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,100 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,192 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,360 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,360 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,449 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,449 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,506 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,507 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,556 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,607 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,663 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,986 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,987 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:16,988 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,066 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,128 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,128 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,190 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,191 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,191 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,333 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,334 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,334 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,424 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,425 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,497 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,566 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,566 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,622 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,623 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,695 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,696 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,696 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,954 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:17,954 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,034 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,034 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,098 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,202 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,237 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:18,238 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:18,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2019-08-05 10:08:18,238 INFO L454 AbstractCegarLoop]: Interpolant automaton has 41 states [2019-08-05 10:08:18,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2019-08-05 10:08:18,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=858, Unknown=0, NotChecked=0, Total=1640 [2019-08-05 10:08:18,239 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 41 states. [2019-08-05 10:08:18,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:18,347 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2019-08-05 10:08:18,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-08-05 10:08:18,347 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 40 [2019-08-05 10:08:18,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:18,348 INFO L225 Difference]: With dead ends: 43 [2019-08-05 10:08:18,348 INFO L226 Difference]: Without dead ends: 42 [2019-08-05 10:08:18,349 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=822, Invalid=900, Unknown=0, NotChecked=0, Total=1722 [2019-08-05 10:08:18,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-08-05 10:08:18,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2019-08-05 10:08:18,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-08-05 10:08:18,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2019-08-05 10:08:18,351 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 40 [2019-08-05 10:08:18,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:18,352 INFO L475 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2019-08-05 10:08:18,352 INFO L476 AbstractCegarLoop]: Interpolant automaton has 41 states. [2019-08-05 10:08:18,352 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2019-08-05 10:08:18,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-08-05 10:08:18,353 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:18,353 INFO L399 BasicCegarLoop]: trace histogram [38, 1, 1, 1] [2019-08-05 10:08:18,353 INFO L418 AbstractCegarLoop]: === Iteration 39 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:18,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:18,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1811587360, now seen corresponding path program 38 times [2019-08-05 10:08:18,354 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:18,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 81 conjunts are in the unsatisfiable core [2019-08-05 10:08:18,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:18,467 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,487 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,488 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,488 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,772 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,773 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,773 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 10:08:18,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,899 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,941 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,942 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,981 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:18,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,020 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,021 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,130 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,131 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,184 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,186 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,302 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,302 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,358 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,358 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 10:08:19,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,477 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,530 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,531 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,585 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,645 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,764 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,931 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,931 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:19,932 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,019 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,020 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,107 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,107 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,173 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,174 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,334 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,335 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,336 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,428 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,429 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,497 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,498 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,498 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,600 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,600 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,675 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,676 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:20,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,110 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:21,111 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:21,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2019-08-05 10:08:21,111 INFO L454 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-08-05 10:08:21,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-08-05 10:08:21,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=822, Invalid=900, Unknown=0, NotChecked=0, Total=1722 [2019-08-05 10:08:21,112 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 42 states. [2019-08-05 10:08:21,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:21,240 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2019-08-05 10:08:21,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-08-05 10:08:21,241 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 41 [2019-08-05 10:08:21,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:21,241 INFO L225 Difference]: With dead ends: 44 [2019-08-05 10:08:21,241 INFO L226 Difference]: Without dead ends: 43 [2019-08-05 10:08:21,243 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=863, Invalid=943, Unknown=0, NotChecked=0, Total=1806 [2019-08-05 10:08:21,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-08-05 10:08:21,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-08-05 10:08:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-08-05 10:08:21,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2019-08-05 10:08:21,245 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 41 [2019-08-05 10:08:21,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:21,245 INFO L475 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2019-08-05 10:08:21,245 INFO L476 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-08-05 10:08:21,245 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2019-08-05 10:08:21,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-08-05 10:08:21,246 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:21,246 INFO L399 BasicCegarLoop]: trace histogram [39, 1, 1, 1] [2019-08-05 10:08:21,246 INFO L418 AbstractCegarLoop]: === Iteration 40 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:21,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:21,246 INFO L82 PathProgramCache]: Analyzing trace with hash -324623712, now seen corresponding path program 39 times [2019-08-05 10:08:21,247 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:21,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 83 conjunts are in the unsatisfiable core [2019-08-05 10:08:21,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:21,372 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,438 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,454 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,455 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,498 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,534 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,572 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,572 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,616 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,617 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,658 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,700 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,742 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,743 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,924 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,924 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,974 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:21,974 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,038 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,038 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 10:08:22,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,140 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,206 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,206 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,280 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,335 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,336 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,393 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,394 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,394 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,484 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,485 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,545 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,668 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,668 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,741 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,742 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,890 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,891 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,978 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:22,979 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,066 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,155 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,155 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,380 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,381 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,769 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,770 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,943 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:23,944 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,112 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:24,150 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:24,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2019-08-05 10:08:24,150 INFO L454 AbstractCegarLoop]: Interpolant automaton has 43 states [2019-08-05 10:08:24,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2019-08-05 10:08:24,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=863, Invalid=943, Unknown=0, NotChecked=0, Total=1806 [2019-08-05 10:08:24,151 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 43 states. [2019-08-05 10:08:24,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:24,280 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2019-08-05 10:08:24,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2019-08-05 10:08:24,280 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 42 [2019-08-05 10:08:24,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:24,281 INFO L225 Difference]: With dead ends: 45 [2019-08-05 10:08:24,281 INFO L226 Difference]: Without dead ends: 44 [2019-08-05 10:08:24,282 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=905, Invalid=987, Unknown=0, NotChecked=0, Total=1892 [2019-08-05 10:08:24,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-08-05 10:08:24,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-08-05 10:08:24,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-08-05 10:08:24,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2019-08-05 10:08:24,284 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 42 [2019-08-05 10:08:24,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:24,284 INFO L475 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2019-08-05 10:08:24,284 INFO L476 AbstractCegarLoop]: Interpolant automaton has 43 states. [2019-08-05 10:08:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2019-08-05 10:08:24,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-08-05 10:08:24,285 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:24,285 INFO L399 BasicCegarLoop]: trace histogram [40, 1, 1, 1] [2019-08-05 10:08:24,285 INFO L418 AbstractCegarLoop]: === Iteration 41 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:24,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:24,285 INFO L82 PathProgramCache]: Analyzing trace with hash -1473390880, now seen corresponding path program 40 times [2019-08-05 10:08:24,286 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:24,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 85 conjunts are in the unsatisfiable core [2019-08-05 10:08:24,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:24,419 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,443 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,509 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,510 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,510 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,623 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,624 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,666 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,666 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,754 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,754 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 2 terms [2019-08-05 10:08:24,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,885 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,886 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,886 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,949 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,950 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:24,951 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,013 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,014 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,014 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,129 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,130 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,335 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,336 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,598 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,599 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,659 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,660 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,661 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,804 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,804 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,805 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:25,965 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,042 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,123 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,124 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,124 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,491 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,492 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,493 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,597 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,598 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,675 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,676 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,754 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,755 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,755 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,968 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:26,969 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:27,106 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:27,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2019-08-05 10:08:27,107 INFO L454 AbstractCegarLoop]: Interpolant automaton has 44 states [2019-08-05 10:08:27,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2019-08-05 10:08:27,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=905, Invalid=987, Unknown=0, NotChecked=0, Total=1892 [2019-08-05 10:08:27,108 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 44 states. [2019-08-05 10:08:27,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:27,218 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2019-08-05 10:08:27,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-08-05 10:08:27,218 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 43 [2019-08-05 10:08:27,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:27,219 INFO L225 Difference]: With dead ends: 46 [2019-08-05 10:08:27,219 INFO L226 Difference]: Without dead ends: 45 [2019-08-05 10:08:27,220 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=948, Invalid=1032, Unknown=0, NotChecked=0, Total=1980 [2019-08-05 10:08:27,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-08-05 10:08:27,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-08-05 10:08:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-08-05 10:08:27,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2019-08-05 10:08:27,222 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 43 [2019-08-05 10:08:27,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:27,223 INFO L475 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2019-08-05 10:08:27,223 INFO L476 AbstractCegarLoop]: Interpolant automaton has 44 states. [2019-08-05 10:08:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2019-08-05 10:08:27,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-08-05 10:08:27,223 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:27,224 INFO L399 BasicCegarLoop]: trace histogram [41, 1, 1, 1] [2019-08-05 10:08:27,224 INFO L418 AbstractCegarLoop]: === Iteration 42 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:27,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:27,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1569532576, now seen corresponding path program 41 times [2019-08-05 10:08:27,225 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:27,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 87 conjunts are in the unsatisfiable core [2019-08-05 10:08:27,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:27,342 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,360 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,360 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,422 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,454 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,455 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,489 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,489 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,524 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,610 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,611 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,703 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,750 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,750 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,887 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,888 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,888 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,951 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:27,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,001 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,002 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,003 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,249 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,249 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,250 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,330 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,607 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,608 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,608 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:28,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,008 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,008 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,116 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,116 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,381 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,484 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,485 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,560 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,638 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,746 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,747 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,932 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,932 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:29,933 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,127 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,128 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,128 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,244 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,244 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,359 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:30,402 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:30,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2019-08-05 10:08:30,402 INFO L454 AbstractCegarLoop]: Interpolant automaton has 45 states [2019-08-05 10:08:30,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2019-08-05 10:08:30,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=948, Invalid=1032, Unknown=0, NotChecked=0, Total=1980 [2019-08-05 10:08:30,403 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 45 states. [2019-08-05 10:08:30,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:30,521 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2019-08-05 10:08:30,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2019-08-05 10:08:30,522 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 44 [2019-08-05 10:08:30,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:30,523 INFO L225 Difference]: With dead ends: 47 [2019-08-05 10:08:30,523 INFO L226 Difference]: Without dead ends: 46 [2019-08-05 10:08:30,524 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=992, Invalid=1078, Unknown=0, NotChecked=0, Total=2070 [2019-08-05 10:08:30,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-08-05 10:08:30,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-08-05 10:08:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-08-05 10:08:30,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2019-08-05 10:08:30,526 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 44 [2019-08-05 10:08:30,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:30,526 INFO L475 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2019-08-05 10:08:30,527 INFO L476 AbstractCegarLoop]: Interpolant automaton has 45 states. [2019-08-05 10:08:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2019-08-05 10:08:30,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-08-05 10:08:30,527 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:30,527 INFO L399 BasicCegarLoop]: trace histogram [42, 1, 1, 1] [2019-08-05 10:08:30,528 INFO L418 AbstractCegarLoop]: === Iteration 43 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:30,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:30,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1410879200, now seen corresponding path program 42 times [2019-08-05 10:08:30,528 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:30,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 89 conjunts are in the unsatisfiable core [2019-08-05 10:08:30,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:30,671 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,712 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,743 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,744 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,774 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,774 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,806 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,806 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,899 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,939 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,940 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,940 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,989 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,989 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:30,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,100 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,101 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,101 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,158 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,353 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,354 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,354 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,424 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,424 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,425 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,491 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,492 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,543 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,544 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,545 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,616 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,616 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,678 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,679 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,735 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,736 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,960 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:31,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,025 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,158 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 10:08:32,295 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,350 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,350 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,449 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,523 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,524 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,598 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,599 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,675 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,736 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,737 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,881 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,881 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:32,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,426 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:33,466 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:33,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2019-08-05 10:08:33,466 INFO L454 AbstractCegarLoop]: Interpolant automaton has 46 states [2019-08-05 10:08:33,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2019-08-05 10:08:33,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=992, Invalid=1078, Unknown=0, NotChecked=0, Total=2070 [2019-08-05 10:08:33,467 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 46 states. [2019-08-05 10:08:33,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:33,603 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2019-08-05 10:08:33,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2019-08-05 10:08:33,603 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 45 [2019-08-05 10:08:33,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:33,604 INFO L225 Difference]: With dead ends: 48 [2019-08-05 10:08:33,604 INFO L226 Difference]: Without dead ends: 47 [2019-08-05 10:08:33,605 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1037, Invalid=1125, Unknown=0, NotChecked=0, Total=2162 [2019-08-05 10:08:33,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-08-05 10:08:33,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-08-05 10:08:33,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-08-05 10:08:33,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2019-08-05 10:08:33,607 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2019-08-05 10:08:33,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:33,608 INFO L475 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2019-08-05 10:08:33,608 INFO L476 AbstractCegarLoop]: Interpolant automaton has 46 states. [2019-08-05 10:08:33,608 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2019-08-05 10:08:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-08-05 10:08:33,608 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:33,608 INFO L399 BasicCegarLoop]: trace histogram [43, 1, 1, 1] [2019-08-05 10:08:33,609 INFO L418 AbstractCegarLoop]: === Iteration 44 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:33,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:33,609 INFO L82 PathProgramCache]: Analyzing trace with hash 787591840, now seen corresponding path program 43 times [2019-08-05 10:08:33,610 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:33,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 91 conjunts are in the unsatisfiable core [2019-08-05 10:08:33,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:33,688 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,714 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,745 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,745 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,776 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,777 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,796 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,797 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,832 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,932 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,932 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:33,932 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,010 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,011 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,148 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,242 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,324 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,433 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,434 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,435 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,495 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,597 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,724 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,724 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,725 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 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 10:08:34,928 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,929 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,989 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:34,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,127 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,128 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,195 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,363 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,432 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,433 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,503 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,504 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,505 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,682 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,683 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,684 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,785 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,875 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,997 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:35,998 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,503 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,504 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,504 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,630 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,631 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,632 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,753 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,754 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,755 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,876 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:36,923 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:36,923 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:36,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2019-08-05 10:08:36,924 INFO L454 AbstractCegarLoop]: Interpolant automaton has 47 states [2019-08-05 10:08:36,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2019-08-05 10:08:36,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1037, Invalid=1125, Unknown=0, NotChecked=0, Total=2162 [2019-08-05 10:08:36,924 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 47 states. [2019-08-05 10:08:37,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:37,132 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2019-08-05 10:08:37,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-08-05 10:08:37,133 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 46 [2019-08-05 10:08:37,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:37,133 INFO L225 Difference]: With dead ends: 49 [2019-08-05 10:08:37,134 INFO L226 Difference]: Without dead ends: 48 [2019-08-05 10:08:37,134 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1083, Invalid=1173, Unknown=0, NotChecked=0, Total=2256 [2019-08-05 10:08:37,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-08-05 10:08:37,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2019-08-05 10:08:37,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-08-05 10:08:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2019-08-05 10:08:37,137 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 46 [2019-08-05 10:08:37,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:37,137 INFO L475 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2019-08-05 10:08:37,137 INFO L476 AbstractCegarLoop]: Interpolant automaton has 47 states. [2019-08-05 10:08:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2019-08-05 10:08:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-08-05 10:08:37,138 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:37,138 INFO L399 BasicCegarLoop]: trace histogram [44, 1, 1, 1] [2019-08-05 10:08:37,138 INFO L418 AbstractCegarLoop]: === Iteration 45 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:37,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:37,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1354447136, now seen corresponding path program 44 times [2019-08-05 10:08:37,139 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:37,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 93 conjunts are in the unsatisfiable core [2019-08-05 10:08:37,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:37,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,232 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,233 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,233 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,331 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,332 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,366 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,367 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,453 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,454 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,454 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,502 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,503 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,602 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,647 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,693 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,738 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,798 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,799 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,913 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,914 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,914 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:37,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,037 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,038 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,148 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,203 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,203 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,341 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,342 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,472 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,625 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,626 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,702 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,703 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,799 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,974 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:38,975 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,148 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,340 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,340 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,440 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,440 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,547 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,631 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,631 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,632 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,752 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,928 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,929 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:39,930 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,049 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,148 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,149 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,280 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,374 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,375 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:40,524 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:40,524 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:40,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2019-08-05 10:08:40,524 INFO L454 AbstractCegarLoop]: Interpolant automaton has 48 states [2019-08-05 10:08:40,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2019-08-05 10:08:40,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1083, Invalid=1173, Unknown=0, NotChecked=0, Total=2256 [2019-08-05 10:08:40,525 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 48 states. [2019-08-05 10:08:41,393 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 11 [2019-08-05 10:08:41,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:41,497 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2019-08-05 10:08:41,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2019-08-05 10:08:41,497 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 47 [2019-08-05 10:08:41,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:41,498 INFO L225 Difference]: With dead ends: 50 [2019-08-05 10:08:41,498 INFO L226 Difference]: Without dead ends: 49 [2019-08-05 10:08:41,499 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1130, Invalid=1222, Unknown=0, NotChecked=0, Total=2352 [2019-08-05 10:08:41,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-08-05 10:08:41,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-08-05 10:08:41,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-08-05 10:08:41,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2019-08-05 10:08:41,501 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 47 [2019-08-05 10:08:41,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:41,502 INFO L475 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2019-08-05 10:08:41,502 INFO L476 AbstractCegarLoop]: Interpolant automaton has 48 states. [2019-08-05 10:08:41,502 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2019-08-05 10:08:41,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-08-05 10:08:41,502 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:41,503 INFO L399 BasicCegarLoop]: trace histogram [45, 1, 1, 1] [2019-08-05 10:08:41,503 INFO L418 AbstractCegarLoop]: === Iteration 46 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:41,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:41,503 INFO L82 PathProgramCache]: Analyzing trace with hash 961821344, now seen corresponding path program 45 times [2019-08-05 10:08:41,504 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:41,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 95 conjunts are in the unsatisfiable core [2019-08-05 10:08:41,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:41,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,676 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,714 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,750 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,751 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 10:08:41,833 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,902 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,903 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,947 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,992 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:41,993 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,038 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,039 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,332 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,333 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,460 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,610 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,610 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,767 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,767 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,891 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,955 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:42,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,032 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,329 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,559 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,635 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,636 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,929 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,930 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:43,930 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,424 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,425 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,577 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,691 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,902 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:44,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:44,945 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:44,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2019-08-05 10:08:44,945 INFO L454 AbstractCegarLoop]: Interpolant automaton has 49 states [2019-08-05 10:08:44,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2019-08-05 10:08:44,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=1222, Unknown=0, NotChecked=0, Total=2352 [2019-08-05 10:08:44,946 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 49 states. [2019-08-05 10:08:45,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:45,092 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2019-08-05 10:08:45,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-08-05 10:08:45,092 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 48 [2019-08-05 10:08:45,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:45,093 INFO L225 Difference]: With dead ends: 51 [2019-08-05 10:08:45,093 INFO L226 Difference]: Without dead ends: 50 [2019-08-05 10:08:45,094 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1178, Invalid=1272, Unknown=0, NotChecked=0, Total=2450 [2019-08-05 10:08:45,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-08-05 10:08:45,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-08-05 10:08:45,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-08-05 10:08:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2019-08-05 10:08:45,096 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 48 [2019-08-05 10:08:45,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:45,096 INFO L475 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2019-08-05 10:08:45,096 INFO L476 AbstractCegarLoop]: Interpolant automaton has 49 states. [2019-08-05 10:08:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2019-08-05 10:08:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-08-05 10:08:45,096 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:45,097 INFO L399 BasicCegarLoop]: trace histogram [46, 1, 1, 1] [2019-08-05 10:08:45,097 INFO L418 AbstractCegarLoop]: === Iteration 47 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:45,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:45,097 INFO L82 PathProgramCache]: Analyzing trace with hash -248299808, now seen corresponding path program 46 times [2019-08-05 10:08:45,098 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:45,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 97 conjunts are in the unsatisfiable core [2019-08-05 10:08:45,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:45,179 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,254 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,321 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,359 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,359 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,360 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,449 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,450 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,450 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,505 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,506 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,686 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,733 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,733 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,791 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,897 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:45,965 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,021 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,022 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,137 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,343 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,344 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,344 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,429 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,430 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,507 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,508 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,508 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,689 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,690 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,769 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,770 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:46,927 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 10:08:47,028 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,114 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,115 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,206 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,295 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,388 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,478 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,594 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,594 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,690 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,691 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,803 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,804 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,888 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,888 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,979 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,979 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:47,980 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,095 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,096 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,443 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:48,487 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:48,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2019-08-05 10:08:48,487 INFO L454 AbstractCegarLoop]: Interpolant automaton has 50 states [2019-08-05 10:08:48,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2019-08-05 10:08:48,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1178, Invalid=1272, Unknown=0, NotChecked=0, Total=2450 [2019-08-05 10:08:48,488 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 50 states. [2019-08-05 10:08:48,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:48,625 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2019-08-05 10:08:48,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2019-08-05 10:08:48,625 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 49 [2019-08-05 10:08:48,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:48,626 INFO L225 Difference]: With dead ends: 52 [2019-08-05 10:08:48,626 INFO L226 Difference]: Without dead ends: 51 [2019-08-05 10:08:48,627 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1227, Invalid=1323, Unknown=0, NotChecked=0, Total=2550 [2019-08-05 10:08:48,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-08-05 10:08:48,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-08-05 10:08:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-08-05 10:08:48,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2019-08-05 10:08:48,629 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 49 [2019-08-05 10:08:48,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:48,629 INFO L475 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2019-08-05 10:08:48,629 INFO L476 AbstractCegarLoop]: Interpolant automaton has 50 states. [2019-08-05 10:08:48,630 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2019-08-05 10:08:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-08-05 10:08:48,630 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:48,630 INFO L399 BasicCegarLoop]: trace histogram [47, 1, 1, 1] [2019-08-05 10:08:48,630 INFO L418 AbstractCegarLoop]: === Iteration 48 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:48,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:48,631 INFO L82 PathProgramCache]: Analyzing trace with hash 892650144, now seen corresponding path program 47 times [2019-08-05 10:08:48,632 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:48,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 99 conjunts are in the unsatisfiable core [2019-08-05 10:08:48,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:48,758 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,773 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,774 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,774 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,814 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,814 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,881 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,922 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,923 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,993 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,994 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:48,994 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,041 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,042 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,095 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,095 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,149 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,203 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,367 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,367 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,440 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,441 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,501 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,501 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,602 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,727 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,727 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,906 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,965 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:49,965 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,128 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,129 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,192 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,352 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,353 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,353 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,445 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,446 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,515 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,515 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,516 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,688 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,689 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,763 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,763 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,939 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,940 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:50,940 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,048 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,048 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,153 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,154 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,346 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,346 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,437 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,438 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,523 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,524 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,727 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,728 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,818 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,920 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,921 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:51,922 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,259 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,358 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:52,405 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:52,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2019-08-05 10:08:52,406 INFO L454 AbstractCegarLoop]: Interpolant automaton has 51 states [2019-08-05 10:08:52,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2019-08-05 10:08:52,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1227, Invalid=1323, Unknown=0, NotChecked=0, Total=2550 [2019-08-05 10:08:52,406 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 51 states. [2019-08-05 10:08:52,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:52,562 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2019-08-05 10:08:52,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-08-05 10:08:52,562 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 50 [2019-08-05 10:08:52,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:52,563 INFO L225 Difference]: With dead ends: 53 [2019-08-05 10:08:52,563 INFO L226 Difference]: Without dead ends: 52 [2019-08-05 10:08:52,564 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1277, Invalid=1375, Unknown=0, NotChecked=0, Total=2652 [2019-08-05 10:08:52,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-08-05 10:08:52,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-08-05 10:08:52,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-08-05 10:08:52,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2019-08-05 10:08:52,567 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 50 [2019-08-05 10:08:52,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:52,567 INFO L475 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2019-08-05 10:08:52,567 INFO L476 AbstractCegarLoop]: Interpolant automaton has 51 states. [2019-08-05 10:08:52,568 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2019-08-05 10:08:52,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-08-05 10:08:52,568 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:52,568 INFO L399 BasicCegarLoop]: trace histogram [48, 1, 1, 1] [2019-08-05 10:08:52,568 INFO L418 AbstractCegarLoop]: === Iteration 49 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:52,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:52,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1902360288, now seen corresponding path program 48 times [2019-08-05 10:08:52,569 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:52,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 101 conjunts are in the unsatisfiable core [2019-08-05 10:08:52,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:52,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,668 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,669 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,717 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,733 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,734 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,772 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,773 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,808 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,906 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,906 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,946 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,947 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,989 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:52,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,034 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,357 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,358 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,358 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,430 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [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 2 terms [2019-08-05 10:08:53,547 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,633 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,634 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,634 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,949 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,949 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:53,950 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,039 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,040 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,110 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,318 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,450 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,451 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,452 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,599 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,600 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,601 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,752 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,903 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,987 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:54,987 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,066 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,174 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,376 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,377 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,463 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,464 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,925 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:55,925 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,032 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,128 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,129 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,227 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:08:56,276 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:08:56,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2019-08-05 10:08:56,276 INFO L454 AbstractCegarLoop]: Interpolant automaton has 52 states [2019-08-05 10:08:56,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2019-08-05 10:08:56,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1277, Invalid=1375, Unknown=0, NotChecked=0, Total=2652 [2019-08-05 10:08:56,277 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 52 states. [2019-08-05 10:08:56,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:08:56,404 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2019-08-05 10:08:56,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2019-08-05 10:08:56,405 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 51 [2019-08-05 10:08:56,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:08:56,406 INFO L225 Difference]: With dead ends: 54 [2019-08-05 10:08:56,406 INFO L226 Difference]: Without dead ends: 53 [2019-08-05 10:08:56,406 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1328, Invalid=1428, Unknown=0, NotChecked=0, Total=2756 [2019-08-05 10:08:56,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-08-05 10:08:56,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-08-05 10:08:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-08-05 10:08:56,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2019-08-05 10:08:56,409 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 51 [2019-08-05 10:08:56,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:08:56,409 INFO L475 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2019-08-05 10:08:56,409 INFO L476 AbstractCegarLoop]: Interpolant automaton has 52 states. [2019-08-05 10:08:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2019-08-05 10:08:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-08-05 10:08:56,410 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:08:56,410 INFO L399 BasicCegarLoop]: trace histogram [49, 1, 1, 1] [2019-08-05 10:08:56,410 INFO L418 AbstractCegarLoop]: === Iteration 50 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:08:56,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:08:56,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1156363616, now seen corresponding path program 49 times [2019-08-05 10:08:56,411 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:08:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:08:56,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 103 conjunts are in the unsatisfiable core [2019-08-05 10:08:56,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:08:56,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,517 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 2 terms [2019-08-05 10:08:56,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,585 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,617 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,618 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,741 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,916 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,917 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,960 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:56,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,019 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,019 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,141 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,254 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,445 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,446 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,520 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,521 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,667 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,668 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,731 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,885 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,886 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,887 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,974 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,975 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:57,976 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,140 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,141 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,368 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,369 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,370 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,554 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,555 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,635 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,636 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,636 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,742 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,743 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,824 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,907 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,907 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:58,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,022 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,023 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,118 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,119 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,300 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,425 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,426 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,426 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,621 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,622 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,884 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,884 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,991 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,992 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:08:59,992 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,122 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,123 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,123 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,254 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,256 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:09:00,434 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:00,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2019-08-05 10:09:00,435 INFO L454 AbstractCegarLoop]: Interpolant automaton has 53 states [2019-08-05 10:09:00,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2019-08-05 10:09:00,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1328, Invalid=1428, Unknown=0, NotChecked=0, Total=2756 [2019-08-05 10:09:00,435 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 53 states. [2019-08-05 10:09:00,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:09:00,586 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2019-08-05 10:09:00,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2019-08-05 10:09:00,587 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 52 [2019-08-05 10:09:00,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:09:00,588 INFO L225 Difference]: With dead ends: 55 [2019-08-05 10:09:00,588 INFO L226 Difference]: Without dead ends: 54 [2019-08-05 10:09:00,588 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1380, Invalid=1482, Unknown=0, NotChecked=0, Total=2862 [2019-08-05 10:09:00,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-08-05 10:09:00,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-08-05 10:09:00,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-08-05 10:09:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2019-08-05 10:09:00,591 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 52 [2019-08-05 10:09:00,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:09:00,591 INFO L475 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2019-08-05 10:09:00,591 INFO L476 AbstractCegarLoop]: Interpolant automaton has 53 states. [2019-08-05 10:09:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2019-08-05 10:09:00,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-08-05 10:09:00,592 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:09:00,592 INFO L399 BasicCegarLoop]: trace histogram [50, 1, 1, 1] [2019-08-05 10:09:00,592 INFO L418 AbstractCegarLoop]: === Iteration 51 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:09:00,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:09:00,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1487524128, now seen corresponding path program 50 times [2019-08-05 10:09:00,593 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:09:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:09:00,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 105 conjunts are in the unsatisfiable core [2019-08-05 10:09:00,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:09:00,734 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,912 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,913 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 2 terms [2019-08-05 10:09:00,988 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,989 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:00,989 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,119 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,119 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,120 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,170 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,171 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,171 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,373 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,374 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,429 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,430 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,547 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,601 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,602 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,602 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,672 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,744 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,745 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,942 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:01,943 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,005 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,006 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,007 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,486 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,486 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,661 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,764 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,951 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:02,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,031 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,032 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,032 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,132 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,133 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,134 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,332 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,333 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,333 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,438 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,611 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,612 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,612 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,724 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,725 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,726 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:03,974 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:04,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:04,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:04,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:04,202 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:04,203 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:04,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:04,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:04,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:04,443 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:04,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:04,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:04,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:04,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:09:04,686 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:04,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2019-08-05 10:09:04,687 INFO L454 AbstractCegarLoop]: Interpolant automaton has 54 states [2019-08-05 10:09:04,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2019-08-05 10:09:04,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1380, Invalid=1482, Unknown=0, NotChecked=0, Total=2862 [2019-08-05 10:09:04,688 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 54 states. [2019-08-05 10:09:04,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:09:04,846 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2019-08-05 10:09:04,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2019-08-05 10:09:04,847 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 53 [2019-08-05 10:09:04,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:09:04,847 INFO L225 Difference]: With dead ends: 56 [2019-08-05 10:09:04,847 INFO L226 Difference]: Without dead ends: 55 [2019-08-05 10:09:04,848 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1433, Invalid=1537, Unknown=0, NotChecked=0, Total=2970 [2019-08-05 10:09:04,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-08-05 10:09:04,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-08-05 10:09:04,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-08-05 10:09:04,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2019-08-05 10:09:04,849 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 53 [2019-08-05 10:09:04,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:09:04,850 INFO L475 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2019-08-05 10:09:04,850 INFO L476 AbstractCegarLoop]: Interpolant automaton has 54 states. [2019-08-05 10:09:04,850 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2019-08-05 10:09:04,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-08-05 10:09:04,850 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:09:04,851 INFO L399 BasicCegarLoop]: trace histogram [51, 1, 1, 1] [2019-08-05 10:09:04,851 INFO L418 AbstractCegarLoop]: === Iteration 52 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:09:04,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:09:04,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1131401888, now seen corresponding path program 51 times [2019-08-05 10:09:04,852 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:09:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:09:04,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 107 conjunts are in the unsatisfiable core [2019-08-05 10:09:04,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:09:04,998 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,164 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-08-05 10:09:05,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,179 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,180 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,180 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,297 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,297 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,341 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,342 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,379 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,380 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,418 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,419 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,456 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,456 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,497 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,498 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,542 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,543 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,544 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,600 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,601 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,648 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,648 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,700 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,700 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,749 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,750 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,975 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,975 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:05,976 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,048 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,049 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,049 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,125 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,125 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,182 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,182 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,367 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,368 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,441 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,442 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,442 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,608 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,609 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,609 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,700 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,702 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,799 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,897 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,972 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:06,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,363 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,363 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,665 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,666 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,750 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:07,974 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,295 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,532 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,533 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,533 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,661 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,785 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,885 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,885 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:08,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:09:09,044 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:09,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2019-08-05 10:09:09,045 INFO L454 AbstractCegarLoop]: Interpolant automaton has 55 states [2019-08-05 10:09:09,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2019-08-05 10:09:09,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1433, Invalid=1537, Unknown=0, NotChecked=0, Total=2970 [2019-08-05 10:09:09,046 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 55 states. [2019-08-05 10:09:09,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:09:09,250 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2019-08-05 10:09:09,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-08-05 10:09:09,251 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 54 [2019-08-05 10:09:09,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:09:09,252 INFO L225 Difference]: With dead ends: 57 [2019-08-05 10:09:09,252 INFO L226 Difference]: Without dead ends: 56 [2019-08-05 10:09:09,252 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1487, Invalid=1593, Unknown=0, NotChecked=0, Total=3080 [2019-08-05 10:09:09,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-08-05 10:09:09,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2019-08-05 10:09:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2019-08-05 10:09:09,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2019-08-05 10:09:09,255 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 54 [2019-08-05 10:09:09,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:09:09,255 INFO L475 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2019-08-05 10:09:09,256 INFO L476 AbstractCegarLoop]: Interpolant automaton has 55 states. [2019-08-05 10:09:09,256 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2019-08-05 10:09:09,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-08-05 10:09:09,256 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:09:09,256 INFO L399 BasicCegarLoop]: trace histogram [52, 1, 1, 1] [2019-08-05 10:09:09,256 INFO L418 AbstractCegarLoop]: === Iteration 53 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:09:09,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:09:09,257 INFO L82 PathProgramCache]: Analyzing trace with hash 713729760, now seen corresponding path program 52 times [2019-08-05 10:09:09,257 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:09:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:09:09,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 109 conjunts are in the unsatisfiable core [2019-08-05 10:09:09,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:09:09,370 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,453 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,453 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,504 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,504 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,505 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,552 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,628 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,629 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,629 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,694 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,694 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,750 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,818 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,913 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,914 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,984 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:09,985 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,061 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,061 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,170 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,171 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,384 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,385 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,443 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,518 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,518 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,519 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,661 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,746 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,747 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,747 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,916 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,917 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:10,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,141 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,359 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,360 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,360 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,637 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,637 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,717 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,717 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:11,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,058 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,059 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,059 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,179 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,378 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,379 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,559 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,559 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,655 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:12,991 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,198 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,314 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:09:13,370 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:13,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2019-08-05 10:09:13,370 INFO L454 AbstractCegarLoop]: Interpolant automaton has 56 states [2019-08-05 10:09:13,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2019-08-05 10:09:13,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1487, Invalid=1593, Unknown=0, NotChecked=0, Total=3080 [2019-08-05 10:09:13,371 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 56 states. [2019-08-05 10:09:13,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:09:13,508 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2019-08-05 10:09:13,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2019-08-05 10:09:13,509 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 55 [2019-08-05 10:09:13,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:09:13,510 INFO L225 Difference]: With dead ends: 58 [2019-08-05 10:09:13,510 INFO L226 Difference]: Without dead ends: 57 [2019-08-05 10:09:13,510 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=1542, Invalid=1650, Unknown=0, NotChecked=0, Total=3192 [2019-08-05 10:09:13,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-08-05 10:09:13,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-08-05 10:09:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-08-05 10:09:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2019-08-05 10:09:13,513 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 55 [2019-08-05 10:09:13,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:09:13,514 INFO L475 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2019-08-05 10:09:13,514 INFO L476 AbstractCegarLoop]: Interpolant automaton has 56 states. [2019-08-05 10:09:13,514 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2019-08-05 10:09:13,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-08-05 10:09:13,514 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:09:13,514 INFO L399 BasicCegarLoop]: trace histogram [53, 1, 1, 1] [2019-08-05 10:09:13,515 INFO L418 AbstractCegarLoop]: === Iteration 54 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:09:13,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:09:13,515 INFO L82 PathProgramCache]: Analyzing trace with hash 650795680, now seen corresponding path program 53 times [2019-08-05 10:09:13,516 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:09:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:09:13,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 111 conjunts are in the unsatisfiable core [2019-08-05 10:09:13,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:09:13,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,661 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,690 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,691 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,721 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,753 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,753 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,873 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,909 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,960 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:13,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,014 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,015 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,058 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,106 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,164 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,324 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,324 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,456 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,456 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,457 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,530 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,531 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,661 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,721 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,721 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,916 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:14,916 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,477 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,569 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,570 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,753 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,754 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,754 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,945 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:15,946 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,023 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,024 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,329 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,440 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,440 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,527 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,528 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,625 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,626 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,627 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,749 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,750 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,945 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:16,945 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,036 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,037 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,038 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,164 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,164 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,301 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,301 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,554 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,555 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,556 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,694 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,695 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,695 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,965 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,966 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:17,966 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,112 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:09:18,167 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:18,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2019-08-05 10:09:18,167 INFO L454 AbstractCegarLoop]: Interpolant automaton has 57 states [2019-08-05 10:09:18,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2019-08-05 10:09:18,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1542, Invalid=1650, Unknown=0, NotChecked=0, Total=3192 [2019-08-05 10:09:18,168 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 57 states. [2019-08-05 10:09:18,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:09:18,347 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2019-08-05 10:09:18,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2019-08-05 10:09:18,348 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 56 [2019-08-05 10:09:18,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:09:18,348 INFO L225 Difference]: With dead ends: 59 [2019-08-05 10:09:18,349 INFO L226 Difference]: Without dead ends: 58 [2019-08-05 10:09:18,349 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=1598, Invalid=1708, Unknown=0, NotChecked=0, Total=3306 [2019-08-05 10:09:18,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-08-05 10:09:18,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-08-05 10:09:18,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-08-05 10:09:18,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2019-08-05 10:09:18,351 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2019-08-05 10:09:18,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:09:18,351 INFO L475 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2019-08-05 10:09:18,351 INFO L476 AbstractCegarLoop]: Interpolant automaton has 57 states. [2019-08-05 10:09:18,352 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2019-08-05 10:09:18,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-08-05 10:09:18,352 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:09:18,352 INFO L399 BasicCegarLoop]: trace histogram [54, 1, 1, 1] [2019-08-05 10:09:18,352 INFO L418 AbstractCegarLoop]: === Iteration 55 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:09:18,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:09:18,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1300160800, now seen corresponding path program 54 times [2019-08-05 10:09:18,353 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:09:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:09:18,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 113 conjunts are in the unsatisfiable core [2019-08-05 10:09:18,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:09:18,522 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,565 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,566 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,566 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,693 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,733 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,734 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,734 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,835 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,886 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,886 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,928 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,929 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:18,974 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,019 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,019 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,140 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,141 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,195 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,466 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,467 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,467 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,543 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,544 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,602 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,679 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,680 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,680 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,832 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:19,909 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,009 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,011 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,011 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,177 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,177 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,432 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,503 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,503 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,597 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,748 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,749 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,749 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,978 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:20,979 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,060 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,061 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,146 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,259 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,348 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,472 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,563 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,563 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,684 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,803 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,804 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,923 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,924 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:21,924 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,048 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,374 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,375 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,375 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,507 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,508 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,621 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,621 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,724 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,724 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,955 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:22,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:09:23,124 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:23,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2019-08-05 10:09:23,124 INFO L454 AbstractCegarLoop]: Interpolant automaton has 58 states [2019-08-05 10:09:23,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2019-08-05 10:09:23,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1598, Invalid=1708, Unknown=0, NotChecked=0, Total=3306 [2019-08-05 10:09:23,125 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 58 states. [2019-08-05 10:09:23,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:09:23,287 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2019-08-05 10:09:23,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2019-08-05 10:09:23,288 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 57 [2019-08-05 10:09:23,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:09:23,289 INFO L225 Difference]: With dead ends: 60 [2019-08-05 10:09:23,289 INFO L226 Difference]: Without dead ends: 59 [2019-08-05 10:09:23,289 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1655, Invalid=1767, Unknown=0, NotChecked=0, Total=3422 [2019-08-05 10:09:23,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2019-08-05 10:09:23,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-08-05 10:09:23,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-08-05 10:09:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2019-08-05 10:09:23,291 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2019-08-05 10:09:23,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:09:23,291 INFO L475 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2019-08-05 10:09:23,292 INFO L476 AbstractCegarLoop]: Interpolant automaton has 58 states. [2019-08-05 10:09:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2019-08-05 10:09:23,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-08-05 10:09:23,292 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:09:23,293 INFO L399 BasicCegarLoop]: trace histogram [55, 1, 1, 1] [2019-08-05 10:09:23,293 INFO L418 AbstractCegarLoop]: === Iteration 56 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:09:23,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:09:23,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1650269536, now seen corresponding path program 55 times [2019-08-05 10:09:23,294 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:09:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:09:23,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 115 conjunts are in the unsatisfiable core [2019-08-05 10:09:23,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:09:23,452 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,491 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,491 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,514 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,515 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,591 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,591 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,592 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,638 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,638 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,714 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,752 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,753 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,899 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:23,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,017 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,117 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,118 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,384 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,438 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,519 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,520 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,593 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,594 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,655 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,717 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,718 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,778 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,779 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,780 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,932 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,933 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:24,933 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,024 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,025 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,412 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,567 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,568 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,745 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,746 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,824 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,824 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,931 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:25,932 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,010 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,011 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,222 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,335 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,336 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,423 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,424 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,527 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,615 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,616 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,734 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,735 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,835 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,926 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:26,927 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,036 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,037 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,135 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,371 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,372 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,468 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,570 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,675 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,675 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,796 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,797 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:27,954 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:09:28,009 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:28,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2019-08-05 10:09:28,009 INFO L454 AbstractCegarLoop]: Interpolant automaton has 59 states [2019-08-05 10:09:28,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2019-08-05 10:09:28,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1655, Invalid=1767, Unknown=0, NotChecked=0, Total=3422 [2019-08-05 10:09:28,010 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 59 states. [2019-08-05 10:09:28,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:09:28,182 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2019-08-05 10:09:28,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2019-08-05 10:09:28,182 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 58 [2019-08-05 10:09:28,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:09:28,183 INFO L225 Difference]: With dead ends: 61 [2019-08-05 10:09:28,183 INFO L226 Difference]: Without dead ends: 60 [2019-08-05 10:09:28,184 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=1713, Invalid=1827, Unknown=0, NotChecked=0, Total=3540 [2019-08-05 10:09:28,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-08-05 10:09:28,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-08-05 10:09:28,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-08-05 10:09:28,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2019-08-05 10:09:28,187 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2019-08-05 10:09:28,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:09:28,187 INFO L475 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2019-08-05 10:09:28,187 INFO L476 AbstractCegarLoop]: Interpolant automaton has 59 states. [2019-08-05 10:09:28,187 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2019-08-05 10:09:28,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-08-05 10:09:28,188 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:09:28,188 INFO L399 BasicCegarLoop]: trace histogram [56, 1, 1, 1] [2019-08-05 10:09:28,188 INFO L418 AbstractCegarLoop]: === Iteration 57 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:09:28,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:09:28,189 INFO L82 PathProgramCache]: Analyzing trace with hash 381261536, now seen corresponding path program 56 times [2019-08-05 10:09:28,189 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:09:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:09:28,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 117 conjunts are in the unsatisfiable core [2019-08-05 10:09:28,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:09:28,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,372 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,373 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,440 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,441 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,477 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,478 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,514 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,514 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,555 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,555 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,696 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,697 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,754 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,755 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,755 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,943 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,943 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:28,944 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,011 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,012 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,063 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,115 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,116 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,179 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,371 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,372 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,580 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,670 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,670 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,737 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,738 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,805 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,806 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,947 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:29,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,129 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,130 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,363 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,365 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,503 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,504 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,628 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,629 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,629 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,741 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,942 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,943 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:30,944 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,533 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,534 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,624 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,625 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,718 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,719 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,818 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,915 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:31,916 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,025 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,374 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,374 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,493 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,494 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,494 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,748 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,748 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,748 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,896 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:09:32,955 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:32,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2019-08-05 10:09:32,955 INFO L454 AbstractCegarLoop]: Interpolant automaton has 60 states [2019-08-05 10:09:32,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2019-08-05 10:09:32,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1713, Invalid=1827, Unknown=0, NotChecked=0, Total=3540 [2019-08-05 10:09:32,956 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 60 states. [2019-08-05 10:09:33,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:09:33,104 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2019-08-05 10:09:33,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2019-08-05 10:09:33,105 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 59 [2019-08-05 10:09:33,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:09:33,106 INFO L225 Difference]: With dead ends: 62 [2019-08-05 10:09:33,106 INFO L226 Difference]: Without dead ends: 61 [2019-08-05 10:09:33,106 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1772, Invalid=1888, Unknown=0, NotChecked=0, Total=3660 [2019-08-05 10:09:33,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-08-05 10:09:33,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-08-05 10:09:33,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-08-05 10:09:33,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2019-08-05 10:09:33,109 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2019-08-05 10:09:33,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:09:33,109 INFO L475 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2019-08-05 10:09:33,109 INFO L476 AbstractCegarLoop]: Interpolant automaton has 60 states. [2019-08-05 10:09:33,110 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2019-08-05 10:09:33,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-08-05 10:09:33,110 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:09:33,110 INFO L399 BasicCegarLoop]: trace histogram [57, 1, 1, 1] [2019-08-05 10:09:33,111 INFO L418 AbstractCegarLoop]: === Iteration 58 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:09:33,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:09:33,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1065784672, now seen corresponding path program 57 times [2019-08-05 10:09:33,112 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:09:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:09:33,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 119 conjunts are in the unsatisfiable core [2019-08-05 10:09:33,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:09:33,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,200 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,256 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,297 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,330 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,330 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,389 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,429 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,430 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,468 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,516 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,559 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,602 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,647 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,648 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,679 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,679 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,728 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,729 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,779 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,780 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,780 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,906 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:33,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,027 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,028 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,084 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,084 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,200 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,393 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,454 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,455 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,455 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,693 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,694 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,759 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,760 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,761 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,946 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,947 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:34,947 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,040 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,041 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,116 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,117 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,117 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,483 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,601 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,602 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,776 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,776 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,777 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,890 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,891 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,991 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,991 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:35,992 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,107 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,108 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,451 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,452 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,552 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,553 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,876 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:36,978 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,074 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,297 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,506 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,506 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,507 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,647 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:37,943 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:09:38,000 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:38,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2019-08-05 10:09:38,001 INFO L454 AbstractCegarLoop]: Interpolant automaton has 61 states [2019-08-05 10:09:38,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2019-08-05 10:09:38,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1772, Invalid=1888, Unknown=0, NotChecked=0, Total=3660 [2019-08-05 10:09:38,002 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 61 states. [2019-08-05 10:09:38,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:09:38,237 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2019-08-05 10:09:38,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2019-08-05 10:09:38,238 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 60 [2019-08-05 10:09:38,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:09:38,239 INFO L225 Difference]: With dead ends: 63 [2019-08-05 10:09:38,239 INFO L226 Difference]: Without dead ends: 62 [2019-08-05 10:09:38,239 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=1832, Invalid=1950, Unknown=0, NotChecked=0, Total=3782 [2019-08-05 10:09:38,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-08-05 10:09:38,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2019-08-05 10:09:38,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2019-08-05 10:09:38,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2019-08-05 10:09:38,242 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2019-08-05 10:09:38,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:09:38,242 INFO L475 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2019-08-05 10:09:38,242 INFO L476 AbstractCegarLoop]: Interpolant automaton has 61 states. [2019-08-05 10:09:38,242 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2019-08-05 10:09:38,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-08-05 10:09:38,243 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:09:38,243 INFO L399 BasicCegarLoop]: trace histogram [58, 1, 1, 1] [2019-08-05 10:09:38,243 INFO L418 AbstractCegarLoop]: === Iteration 59 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:09:38,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:09:38,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1320423136, now seen corresponding path program 58 times [2019-08-05 10:09:38,244 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:09:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:09:38,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 121 conjunts are in the unsatisfiable core [2019-08-05 10:09:38,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:09:38,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,415 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,457 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,489 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,533 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,534 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,568 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,569 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,569 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,613 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,615 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,663 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,741 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,742 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,835 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,935 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,935 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:38,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,032 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,096 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,345 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,346 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,643 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,706 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,774 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,775 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,776 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,871 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,938 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:39,939 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,007 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,008 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,085 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,295 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,371 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,371 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,372 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,498 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,738 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,738 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,899 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,984 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:40,985 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,098 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,098 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,099 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,393 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,394 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,480 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,572 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,573 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,664 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,665 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,768 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,768 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,769 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:41,890 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,017 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,146 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,280 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,554 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,555 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,764 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,764 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:42,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,011 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,012 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,120 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,121 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,228 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,370 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:09:43,430 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:43,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2019-08-05 10:09:43,430 INFO L454 AbstractCegarLoop]: Interpolant automaton has 62 states [2019-08-05 10:09:43,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2019-08-05 10:09:43,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1832, Invalid=1950, Unknown=0, NotChecked=0, Total=3782 [2019-08-05 10:09:43,431 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 62 states. [2019-08-05 10:09:43,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:09:43,614 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2019-08-05 10:09:43,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2019-08-05 10:09:43,614 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 61 [2019-08-05 10:09:43,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:09:43,615 INFO L225 Difference]: With dead ends: 64 [2019-08-05 10:09:43,615 INFO L226 Difference]: Without dead ends: 63 [2019-08-05 10:09:43,615 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=1893, Invalid=2013, Unknown=0, NotChecked=0, Total=3906 [2019-08-05 10:09:43,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-08-05 10:09:43,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-08-05 10:09:43,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-08-05 10:09:43,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2019-08-05 10:09:43,618 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2019-08-05 10:09:43,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:09:43,618 INFO L475 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2019-08-05 10:09:43,619 INFO L476 AbstractCegarLoop]: Interpolant automaton has 62 states. [2019-08-05 10:09:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2019-08-05 10:09:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-08-05 10:09:43,619 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:09:43,619 INFO L399 BasicCegarLoop]: trace histogram [59, 1, 1, 1] [2019-08-05 10:09:43,620 INFO L418 AbstractCegarLoop]: === Iteration 60 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:09:43,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:09:43,620 INFO L82 PathProgramCache]: Analyzing trace with hash -2016546144, now seen corresponding path program 59 times [2019-08-05 10:09:43,620 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:09:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:09:43,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 123 conjunts are in the unsatisfiable core [2019-08-05 10:09:43,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:09:43,744 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,768 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,768 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,799 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,871 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,906 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,907 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,953 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,954 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:43,954 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,001 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,001 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,002 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,052 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,133 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,134 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,134 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,195 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,321 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,384 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,432 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,432 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,497 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,497 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,552 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,729 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,729 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,929 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,930 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:44,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,119 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,120 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,195 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,372 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,372 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,445 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,445 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,446 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,539 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,703 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,907 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,907 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:45,907 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,146 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,434 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,435 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,518 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,518 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,519 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,755 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,755 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,756 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,968 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,969 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:46,969 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,095 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,096 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,752 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:47,991 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,102 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,365 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,366 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,366 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,509 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,509 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,621 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,621 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,743 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,744 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:48,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:09:48,914 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:48,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2019-08-05 10:09:48,915 INFO L454 AbstractCegarLoop]: Interpolant automaton has 63 states [2019-08-05 10:09:48,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2019-08-05 10:09:48,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1893, Invalid=2013, Unknown=0, NotChecked=0, Total=3906 [2019-08-05 10:09:48,915 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 63 states. [2019-08-05 10:09:49,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:09:49,119 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2019-08-05 10:09:49,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2019-08-05 10:09:49,120 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 62 [2019-08-05 10:09:49,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:09:49,121 INFO L225 Difference]: With dead ends: 65 [2019-08-05 10:09:49,121 INFO L226 Difference]: Without dead ends: 64 [2019-08-05 10:09:49,121 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=1955, Invalid=2077, Unknown=0, NotChecked=0, Total=4032 [2019-08-05 10:09:49,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-08-05 10:09:49,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2019-08-05 10:09:49,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-08-05 10:09:49,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2019-08-05 10:09:49,124 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2019-08-05 10:09:49,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:09:49,124 INFO L475 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2019-08-05 10:09:49,125 INFO L476 AbstractCegarLoop]: Interpolant automaton has 63 states. [2019-08-05 10:09:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2019-08-05 10:09:49,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-08-05 10:09:49,125 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:09:49,125 INFO L399 BasicCegarLoop]: trace histogram [60, 1, 1, 1] [2019-08-05 10:09:49,125 INFO L418 AbstractCegarLoop]: === Iteration 61 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:09:49,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:09:49,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1911588576, now seen corresponding path program 60 times [2019-08-05 10:09:49,126 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:09:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:09:49,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 125 conjunts are in the unsatisfiable core [2019-08-05 10:09:49,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:09:49,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,343 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,344 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,345 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,420 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,465 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,466 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,506 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,507 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,591 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,591 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,643 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,691 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,761 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,762 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,805 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,806 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,913 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,914 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:49,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,030 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,031 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,200 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,201 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,280 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,356 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,357 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,357 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,435 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,436 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,495 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,497 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,645 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,780 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,781 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,976 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,976 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:50,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,174 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,276 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,360 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,361 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,361 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,461 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,462 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,539 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,731 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,927 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:51,928 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,027 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,028 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,117 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,117 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,206 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,295 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,477 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,478 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,569 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,570 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,666 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,666 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,967 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:52,967 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,072 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,072 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,323 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,324 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,422 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,423 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,527 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,645 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,753 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,753 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:53,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,017 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,172 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,172 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:09:54,459 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:54,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2019-08-05 10:09:54,460 INFO L454 AbstractCegarLoop]: Interpolant automaton has 64 states [2019-08-05 10:09:54,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2019-08-05 10:09:54,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1955, Invalid=2077, Unknown=0, NotChecked=0, Total=4032 [2019-08-05 10:09:54,461 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 64 states. [2019-08-05 10:09:54,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:09:54,649 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2019-08-05 10:09:54,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2019-08-05 10:09:54,649 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 63 [2019-08-05 10:09:54,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:09:54,650 INFO L225 Difference]: With dead ends: 66 [2019-08-05 10:09:54,650 INFO L226 Difference]: Without dead ends: 65 [2019-08-05 10:09:54,651 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=2018, Invalid=2142, Unknown=0, NotChecked=0, Total=4160 [2019-08-05 10:09:54,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-08-05 10:09:54,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-08-05 10:09:54,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-08-05 10:09:54,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2019-08-05 10:09:54,653 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2019-08-05 10:09:54,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:09:54,653 INFO L475 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2019-08-05 10:09:54,653 INFO L476 AbstractCegarLoop]: Interpolant automaton has 64 states. [2019-08-05 10:09:54,654 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2019-08-05 10:09:54,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-08-05 10:09:54,654 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:09:54,654 INFO L399 BasicCegarLoop]: trace histogram [61, 1, 1, 1] [2019-08-05 10:09:54,654 INFO L418 AbstractCegarLoop]: === Iteration 62 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:09:54,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:09:54,655 INFO L82 PathProgramCache]: Analyzing trace with hash -870286688, now seen corresponding path program 61 times [2019-08-05 10:09:54,655 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:09:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:09:54,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 127 conjunts are in the unsatisfiable core [2019-08-05 10:09:54,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:09:54,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,730 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,730 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,731 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,808 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,897 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,933 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,934 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,935 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,984 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,985 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:54,985 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,035 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,035 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,135 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,179 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,180 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,332 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,333 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,379 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,380 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,645 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,700 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,923 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:55,924 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,030 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,117 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,118 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,118 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,256 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,347 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,347 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,348 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,436 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,437 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,507 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,508 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,724 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,725 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,803 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,909 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,986 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,987 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:56,987 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,171 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,172 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,172 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,290 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,381 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,465 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,466 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,643 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,730 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,730 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:57,949 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,074 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,465 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,466 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,467 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,610 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,611 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,942 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,942 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:58,943 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,198 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,461 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,462 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,576 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,576 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,691 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,692 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:09:59,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:09:59,923 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:09:59,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2019-08-05 10:09:59,923 INFO L454 AbstractCegarLoop]: Interpolant automaton has 65 states [2019-08-05 10:09:59,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2019-08-05 10:09:59,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2018, Invalid=2142, Unknown=0, NotChecked=0, Total=4160 [2019-08-05 10:09:59,924 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 65 states. [2019-08-05 10:10:00,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:10:00,191 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2019-08-05 10:10:00,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2019-08-05 10:10:00,191 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 64 [2019-08-05 10:10:00,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:10:00,192 INFO L225 Difference]: With dead ends: 67 [2019-08-05 10:10:00,192 INFO L226 Difference]: Without dead ends: 66 [2019-08-05 10:10:00,193 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=2082, Invalid=2208, Unknown=0, NotChecked=0, Total=4290 [2019-08-05 10:10:00,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-08-05 10:10:00,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-08-05 10:10:00,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-08-05 10:10:00,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2019-08-05 10:10:00,194 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2019-08-05 10:10:00,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:10:00,195 INFO L475 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2019-08-05 10:10:00,195 INFO L476 AbstractCegarLoop]: Interpolant automaton has 65 states. [2019-08-05 10:10:00,195 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2019-08-05 10:10:00,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-08-05 10:10:00,195 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:10:00,195 INFO L399 BasicCegarLoop]: trace histogram [62, 1, 1, 1] [2019-08-05 10:10:00,195 INFO L418 AbstractCegarLoop]: === Iteration 63 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:10:00,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:10:00,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1209073952, now seen corresponding path program 62 times [2019-08-05 10:10:00,196 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:10:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:10:00,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 129 conjunts are in the unsatisfiable core [2019-08-05 10:10:00,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:10:00,339 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:00,585 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-08-05 10:10:00,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:00,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:00,918 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2019-08-05 10:10:00,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:00,920 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:00,980 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:00,981 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,027 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,153 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,153 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,297 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,375 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,376 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,417 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,417 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,418 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,472 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,520 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,520 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,521 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,629 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,629 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,697 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,817 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,871 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,872 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,872 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,943 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:01,944 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,010 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,010 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,133 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,134 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,195 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,321 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,542 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,542 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,543 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,633 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,634 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,784 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,784 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,950 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,950 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:02,951 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,146 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,227 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,388 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,389 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,472 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,592 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,593 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,678 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,678 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,796 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,885 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,886 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,995 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:03,996 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,099 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,100 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,497 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,498 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,597 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,598 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,699 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,798 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,799 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,938 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,939 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:04,939 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,209 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,365 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,366 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,513 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,514 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,624 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,625 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,757 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,758 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,981 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,981 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:05,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,452 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:10:06,528 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:10:06,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2019-08-05 10:10:06,528 INFO L454 AbstractCegarLoop]: Interpolant automaton has 66 states [2019-08-05 10:10:06,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2019-08-05 10:10:06,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2082, Invalid=2208, Unknown=0, NotChecked=0, Total=4290 [2019-08-05 10:10:06,531 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 66 states. [2019-08-05 10:10:06,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:10:06,730 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2019-08-05 10:10:06,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2019-08-05 10:10:06,731 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 65 [2019-08-05 10:10:06,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:10:06,732 INFO L225 Difference]: With dead ends: 68 [2019-08-05 10:10:06,732 INFO L226 Difference]: Without dead ends: 67 [2019-08-05 10:10:06,732 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=2147, Invalid=2275, Unknown=0, NotChecked=0, Total=4422 [2019-08-05 10:10:06,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-08-05 10:10:06,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-08-05 10:10:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-08-05 10:10:06,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2019-08-05 10:10:06,734 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2019-08-05 10:10:06,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:10:06,735 INFO L475 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2019-08-05 10:10:06,735 INFO L476 AbstractCegarLoop]: Interpolant automaton has 66 states. [2019-08-05 10:10:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2019-08-05 10:10:06,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-08-05 10:10:06,735 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:10:06,735 INFO L399 BasicCegarLoop]: trace histogram [63, 1, 1, 1] [2019-08-05 10:10:06,736 INFO L418 AbstractCegarLoop]: === Iteration 64 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:10:06,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:10:06,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1173422752, now seen corresponding path program 63 times [2019-08-05 10:10:06,737 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:10:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:10:06,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 131 conjunts are in the unsatisfiable core [2019-08-05 10:10:06,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:10:06,881 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,901 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,902 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,916 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,917 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,949 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,950 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,951 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,988 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:06,989 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,027 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,183 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,184 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,348 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,350 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,456 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,457 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,523 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,524 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,580 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,630 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,630 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,684 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,752 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,752 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,893 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,894 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,976 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:07,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,138 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,200 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,200 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,201 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,374 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,375 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,442 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,442 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,511 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,512 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,513 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,609 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,610 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,610 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,814 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,814 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,921 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:08,922 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,016 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,017 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,098 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,099 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,203 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,415 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,506 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,507 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,681 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,682 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,682 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,890 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,981 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:09,981 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,512 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,513 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,514 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,756 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,757 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,981 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:10,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,112 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,297 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,523 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,523 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,524 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,980 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:11,981 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,125 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,126 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,244 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,245 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,524 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:10:12,594 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:10:12,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2019-08-05 10:10:12,594 INFO L454 AbstractCegarLoop]: Interpolant automaton has 67 states [2019-08-05 10:10:12,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2019-08-05 10:10:12,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2147, Invalid=2275, Unknown=0, NotChecked=0, Total=4422 [2019-08-05 10:10:12,595 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 67 states. [2019-08-05 10:10:12,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:10:12,808 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2019-08-05 10:10:12,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-08-05 10:10:12,808 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 66 [2019-08-05 10:10:12,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:10:12,809 INFO L225 Difference]: With dead ends: 69 [2019-08-05 10:10:12,809 INFO L226 Difference]: Without dead ends: 68 [2019-08-05 10:10:12,810 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=2213, Invalid=2343, Unknown=0, NotChecked=0, Total=4556 [2019-08-05 10:10:12,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-08-05 10:10:12,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-08-05 10:10:12,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-08-05 10:10:12,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2019-08-05 10:10:12,813 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2019-08-05 10:10:12,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:10:12,813 INFO L475 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2019-08-05 10:10:12,813 INFO L476 AbstractCegarLoop]: Interpolant automaton has 67 states. [2019-08-05 10:10:12,813 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2019-08-05 10:10:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-08-05 10:10:12,814 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:10:12,814 INFO L399 BasicCegarLoop]: trace histogram [64, 1, 1, 1] [2019-08-05 10:10:12,814 INFO L418 AbstractCegarLoop]: === Iteration 65 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:10:12,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:10:12,815 INFO L82 PathProgramCache]: Analyzing trace with hash 2016376544, now seen corresponding path program 64 times [2019-08-05 10:10:12,815 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:10:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:10:12,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 133 conjunts are in the unsatisfiable core [2019-08-05 10:10:12,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:10:12,894 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,907 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,943 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,943 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:12,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,010 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,011 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,031 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,032 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,116 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,117 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,155 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,197 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,197 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,363 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,811 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2019-08-05 10:10:13,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,915 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,915 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,966 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,967 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:13,968 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,035 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,035 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,242 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,301 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,302 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,302 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,444 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,445 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,508 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,509 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,574 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,575 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,733 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,799 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,937 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:14,938 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,020 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,020 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,102 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,179 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,180 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,338 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,419 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,420 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,501 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,502 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,598 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,599 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,682 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,683 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,771 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,771 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,976 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:15,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,197 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,591 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,592 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,721 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,824 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:16,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,227 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,329 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,329 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,433 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,434 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,703 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,814 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,969 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:17,970 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,428 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,429 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,429 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,594 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,594 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,756 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:10:18,831 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:10:18,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2019-08-05 10:10:18,832 INFO L454 AbstractCegarLoop]: Interpolant automaton has 68 states [2019-08-05 10:10:18,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2019-08-05 10:10:18,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2213, Invalid=2343, Unknown=0, NotChecked=0, Total=4556 [2019-08-05 10:10:18,832 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 68 states. [2019-08-05 10:10:18,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:10:18,996 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2019-08-05 10:10:18,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2019-08-05 10:10:18,997 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 67 [2019-08-05 10:10:18,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:10:18,998 INFO L225 Difference]: With dead ends: 70 [2019-08-05 10:10:18,998 INFO L226 Difference]: Without dead ends: 69 [2019-08-05 10:10:18,998 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=2280, Invalid=2412, Unknown=0, NotChecked=0, Total=4692 [2019-08-05 10:10:18,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-08-05 10:10:19,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2019-08-05 10:10:19,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-08-05 10:10:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2019-08-05 10:10:19,001 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 67 [2019-08-05 10:10:19,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:10:19,001 INFO L475 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2019-08-05 10:10:19,001 INFO L476 AbstractCegarLoop]: Interpolant automaton has 68 states. [2019-08-05 10:10:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2019-08-05 10:10:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-08-05 10:10:19,002 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:10:19,002 INFO L399 BasicCegarLoop]: trace histogram [65, 1, 1, 1] [2019-08-05 10:10:19,002 INFO L418 AbstractCegarLoop]: === Iteration 66 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:10:19,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:10:19,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1916826976, now seen corresponding path program 65 times [2019-08-05 10:10:19,003 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:10:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:10:19,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 135 conjunts are in the unsatisfiable core [2019-08-05 10:10:19,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:10:19,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,124 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,125 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,158 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,191 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,192 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,192 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,238 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,361 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,363 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,413 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,466 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,467 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,468 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,572 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,617 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,618 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,619 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,733 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,908 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,909 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,965 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,966 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:19,966 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,172 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,173 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,385 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,460 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,528 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,528 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,594 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,680 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,681 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,752 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,752 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,835 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,938 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,938 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:20,939 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,148 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,149 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,227 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,329 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,437 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,437 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,672 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,987 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:21,988 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,198 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,664 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,665 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,759 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,759 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:22,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,195 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,412 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,412 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,671 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,671 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,671 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:23,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,100 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,101 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,361 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,480 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,775 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,776 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,909 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:10:24,985 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:10:24,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2019-08-05 10:10:24,985 INFO L454 AbstractCegarLoop]: Interpolant automaton has 69 states [2019-08-05 10:10:24,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2019-08-05 10:10:24,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2280, Invalid=2412, Unknown=0, NotChecked=0, Total=4692 [2019-08-05 10:10:24,986 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 69 states. [2019-08-05 10:10:25,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:10:25,159 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2019-08-05 10:10:25,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2019-08-05 10:10:25,159 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 68 [2019-08-05 10:10:25,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:10:25,160 INFO L225 Difference]: With dead ends: 71 [2019-08-05 10:10:25,160 INFO L226 Difference]: Without dead ends: 70 [2019-08-05 10:10:25,161 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=2348, Invalid=2482, Unknown=0, NotChecked=0, Total=4830 [2019-08-05 10:10:25,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-08-05 10:10:25,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-08-05 10:10:25,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-08-05 10:10:25,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2019-08-05 10:10:25,163 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 68 [2019-08-05 10:10:25,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:10:25,163 INFO L475 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2019-08-05 10:10:25,163 INFO L476 AbstractCegarLoop]: Interpolant automaton has 69 states. [2019-08-05 10:10:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2019-08-05 10:10:25,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-08-05 10:10:25,164 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:10:25,164 INFO L399 BasicCegarLoop]: trace histogram [66, 1, 1, 1] [2019-08-05 10:10:25,164 INFO L418 AbstractCegarLoop]: === Iteration 67 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:10:25,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:10:25,164 INFO L82 PathProgramCache]: Analyzing trace with hash 707915488, now seen corresponding path program 66 times [2019-08-05 10:10:25,165 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:10:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:10:25,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 137 conjunts are in the unsatisfiable core [2019-08-05 10:10:25,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:10:25,238 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,371 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,372 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,372 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,419 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,420 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,497 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,498 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,695 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,696 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,741 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,742 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,916 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,917 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:25,974 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,027 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,028 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,083 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,139 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,195 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,339 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,340 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,463 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,464 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,465 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,576 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:26,577 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:27,677 WARN L188 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 16 [2019-08-05 10:10:27,678 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:27,679 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:28,792 WARN L188 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 16 [2019-08-05 10:10:28,793 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:28,794 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:28,795 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,379 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,380 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,438 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,513 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,514 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,669 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,670 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,750 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,751 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,920 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:29,921 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,000 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,000 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,001 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,110 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,197 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,197 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,395 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,495 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,495 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,496 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,619 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,619 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,620 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,748 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,749 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,749 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,976 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,976 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:30,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,112 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,113 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,353 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,353 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,460 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,460 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,818 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:31,819 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,030 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,182 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,465 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,466 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,598 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,599 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,599 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,766 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,927 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,928 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:32,929 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,344 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,344 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,345 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,502 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,503 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,503 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,800 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:33,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:10:33,870 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:10:33,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2019-08-05 10:10:33,871 INFO L454 AbstractCegarLoop]: Interpolant automaton has 70 states [2019-08-05 10:10:33,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2019-08-05 10:10:33,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2348, Invalid=2482, Unknown=0, NotChecked=0, Total=4830 [2019-08-05 10:10:33,872 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 70 states. [2019-08-05 10:10:34,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:10:34,062 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2019-08-05 10:10:34,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2019-08-05 10:10:34,063 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 69 [2019-08-05 10:10:34,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:10:34,064 INFO L225 Difference]: With dead ends: 72 [2019-08-05 10:10:34,064 INFO L226 Difference]: Without dead ends: 71 [2019-08-05 10:10:34,064 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=2417, Invalid=2553, Unknown=0, NotChecked=0, Total=4970 [2019-08-05 10:10:34,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-08-05 10:10:34,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-08-05 10:10:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-08-05 10:10:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2019-08-05 10:10:34,066 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 69 [2019-08-05 10:10:34,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:10:34,067 INFO L475 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2019-08-05 10:10:34,067 INFO L476 AbstractCegarLoop]: Interpolant automaton has 70 states. [2019-08-05 10:10:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2019-08-05 10:10:34,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-08-05 10:10:34,067 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:10:34,068 INFO L399 BasicCegarLoop]: trace histogram [67, 1, 1, 1] [2019-08-05 10:10:34,068 INFO L418 AbstractCegarLoop]: === Iteration 68 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:10:34,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:10:34,068 INFO L82 PathProgramCache]: Analyzing trace with hash 470553248, now seen corresponding path program 67 times [2019-08-05 10:10:34,069 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:10:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:10:34,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 139 conjunts are in the unsatisfiable core [2019-08-05 10:10:34,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:10:34,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,335 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,336 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,375 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,375 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,376 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,419 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,419 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,454 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,455 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,531 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,532 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,570 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,609 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,610 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,610 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,664 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,665 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,666 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,722 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,723 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,768 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,769 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,918 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,967 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:34,967 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,027 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,084 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,085 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,206 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,297 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,297 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,457 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,457 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,539 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,539 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,670 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,671 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,745 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,746 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,888 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:35,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,354 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,355 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,355 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,468 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,663 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,664 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,744 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,745 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:36,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,042 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,295 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,478 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,676 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,806 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,806 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:37,906 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,002 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,003 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,114 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,114 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,331 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,331 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,332 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,695 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,696 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,965 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:38,965 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,113 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,114 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,354 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,355 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,356 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,517 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,518 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,518 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,675 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,676 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,676 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:39,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,009 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,010 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,137 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,137 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,450 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:10:40,523 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:10:40,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2019-08-05 10:10:40,524 INFO L454 AbstractCegarLoop]: Interpolant automaton has 71 states [2019-08-05 10:10:40,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2019-08-05 10:10:40,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2417, Invalid=2553, Unknown=0, NotChecked=0, Total=4970 [2019-08-05 10:10:40,524 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 71 states. [2019-08-05 10:10:40,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:10:40,775 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2019-08-05 10:10:40,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2019-08-05 10:10:40,775 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 70 [2019-08-05 10:10:40,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:10:40,776 INFO L225 Difference]: With dead ends: 73 [2019-08-05 10:10:40,776 INFO L226 Difference]: Without dead ends: 72 [2019-08-05 10:10:40,777 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=2487, Invalid=2625, Unknown=0, NotChecked=0, Total=5112 [2019-08-05 10:10:40,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-08-05 10:10:40,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2019-08-05 10:10:40,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-08-05 10:10:40,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2019-08-05 10:10:40,779 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 70 [2019-08-05 10:10:40,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:10:40,780 INFO L475 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2019-08-05 10:10:40,780 INFO L476 AbstractCegarLoop]: Interpolant automaton has 71 states. [2019-08-05 10:10:40,780 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2019-08-05 10:10:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-08-05 10:10:40,781 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:10:40,781 INFO L399 BasicCegarLoop]: trace histogram [68, 1, 1, 1] [2019-08-05 10:10:40,781 INFO L418 AbstractCegarLoop]: === Iteration 69 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:10:40,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:10:40,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1702258400, now seen corresponding path program 68 times [2019-08-05 10:10:40,782 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:10:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:10:40,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 141 conjunts are in the unsatisfiable core [2019-08-05 10:10:40,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:10:40,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,881 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,881 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,913 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,913 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,949 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:40,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,020 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,021 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,021 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,066 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,123 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,123 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,164 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,435 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,436 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,437 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,501 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,502 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,553 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,553 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,733 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,772 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,773 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,832 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,832 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,920 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:41,920 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,063 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,184 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,348 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,348 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,424 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,425 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,491 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,567 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,567 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,638 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,711 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,711 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,917 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,917 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:42,918 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,037 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,037 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,126 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,127 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,381 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,477 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,655 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,743 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,744 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,744 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,871 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,872 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:43,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,085 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,180 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,453 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,453 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,454 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,585 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,687 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,688 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,786 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,891 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:44,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,028 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,028 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,177 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,303 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,454 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,455 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,455 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,757 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,757 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:45,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,006 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,007 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,124 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,124 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,239 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,741 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,742 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,915 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:46,916 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:47,108 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:47,109 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:47,435 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:47,436 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:47,436 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:47,612 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:10:47,688 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:10:47,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2019-08-05 10:10:47,688 INFO L454 AbstractCegarLoop]: Interpolant automaton has 72 states [2019-08-05 10:10:47,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2019-08-05 10:10:47,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2487, Invalid=2625, Unknown=0, NotChecked=0, Total=5112 [2019-08-05 10:10:47,689 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand 72 states. [2019-08-05 10:10:47,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:10:47,914 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2019-08-05 10:10:47,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2019-08-05 10:10:47,915 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 71 [2019-08-05 10:10:47,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:10:47,916 INFO L225 Difference]: With dead ends: 74 [2019-08-05 10:10:47,916 INFO L226 Difference]: Without dead ends: 73 [2019-08-05 10:10:47,916 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=2558, Invalid=2698, Unknown=0, NotChecked=0, Total=5256 [2019-08-05 10:10:47,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-08-05 10:10:47,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-08-05 10:10:47,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-08-05 10:10:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2019-08-05 10:10:47,919 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 71 [2019-08-05 10:10:47,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:10:47,919 INFO L475 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2019-08-05 10:10:47,920 INFO L476 AbstractCegarLoop]: Interpolant automaton has 72 states. [2019-08-05 10:10:47,920 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2019-08-05 10:10:47,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-08-05 10:10:47,920 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:10:47,920 INFO L399 BasicCegarLoop]: trace histogram [69, 1, 1, 1] [2019-08-05 10:10:47,920 INFO L418 AbstractCegarLoop]: === Iteration 70 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:10:47,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:10:47,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1230412448, now seen corresponding path program 69 times [2019-08-05 10:10:47,921 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:10:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:10:47,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 143 conjunts are in the unsatisfiable core [2019-08-05 10:10:47,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:10:48,005 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,020 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,021 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,123 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,124 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,124 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,171 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,171 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,171 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,345 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,345 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,346 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,447 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,500 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,500 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,622 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,623 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,672 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,730 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,731 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,784 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,909 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,985 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:48,986 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,102 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,250 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,250 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,336 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,336 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,539 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,627 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,628 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,699 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,699 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,700 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,797 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,798 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,969 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:49,970 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,239 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,350 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,431 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,432 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,432 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,667 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,667 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,753 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,754 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,944 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:50,944 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,052 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,336 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,447 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,560 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,699 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:51,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:52,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:52,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:52,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:52,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:52,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:52,504 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:52,505 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:52,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:52,647 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:52,759 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:52,760 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:52,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:52,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,005 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,006 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,007 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,412 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,412 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,682 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,683 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,684 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:53,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:54,030 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:54,031 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:54,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:54,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:54,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:54,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:54,451 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:54,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:10:54,528 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:10:54,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2019-08-05 10:10:54,528 INFO L454 AbstractCegarLoop]: Interpolant automaton has 73 states [2019-08-05 10:10:54,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2019-08-05 10:10:54,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2558, Invalid=2698, Unknown=0, NotChecked=0, Total=5256 [2019-08-05 10:10:54,529 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 73 states. [2019-08-05 10:10:54,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:10:54,791 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2019-08-05 10:10:54,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2019-08-05 10:10:54,792 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 72 [2019-08-05 10:10:54,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:10:54,793 INFO L225 Difference]: With dead ends: 75 [2019-08-05 10:10:54,793 INFO L226 Difference]: Without dead ends: 74 [2019-08-05 10:10:54,795 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=2630, Invalid=2772, Unknown=0, NotChecked=0, Total=5402 [2019-08-05 10:10:54,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-08-05 10:10:54,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-08-05 10:10:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-08-05 10:10:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2019-08-05 10:10:54,798 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 72 [2019-08-05 10:10:54,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:10:54,798 INFO L475 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions. [2019-08-05 10:10:54,798 INFO L476 AbstractCegarLoop]: Interpolant automaton has 73 states. [2019-08-05 10:10:54,798 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2019-08-05 10:10:54,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-08-05 10:10:54,799 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:10:54,799 INFO L399 BasicCegarLoop]: trace histogram [70, 1, 1, 1] [2019-08-05 10:10:54,799 INFO L418 AbstractCegarLoop]: === Iteration 71 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:10:54,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:10:54,799 INFO L82 PathProgramCache]: Analyzing trace with hash -511910176, now seen corresponding path program 70 times [2019-08-05 10:10:54,800 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:10:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:10:54,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 145 conjunts are in the unsatisfiable core [2019-08-05 10:10:54,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:10:54,975 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,192 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-08-05 10:10:55,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,344 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,345 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,345 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,439 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,440 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,478 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,530 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,531 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,573 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,574 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,617 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,618 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,672 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,718 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,719 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,719 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,921 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,922 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:55,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,121 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,122 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,122 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,195 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,338 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,560 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,560 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,561 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,721 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:56,952 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,036 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,037 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,700 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,872 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,873 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:57,960 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,417 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,553 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,554 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,787 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,884 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,884 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,980 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:58,980 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,347 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,347 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,452 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,453 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,556 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,556 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,666 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,666 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,936 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:10:59,936 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,369 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,370 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,487 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,488 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,729 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,730 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:00,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,017 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,017 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,346 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,347 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,347 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,519 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,520 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:01,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:11:02,043 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:11:02,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2019-08-05 10:11:02,043 INFO L454 AbstractCegarLoop]: Interpolant automaton has 74 states [2019-08-05 10:11:02,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2019-08-05 10:11:02,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2630, Invalid=2772, Unknown=0, NotChecked=0, Total=5402 [2019-08-05 10:11:02,045 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand 74 states. [2019-08-05 10:11:02,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:11:02,232 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2019-08-05 10:11:02,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2019-08-05 10:11:02,233 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 73 [2019-08-05 10:11:02,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:11:02,234 INFO L225 Difference]: With dead ends: 76 [2019-08-05 10:11:02,234 INFO L226 Difference]: Without dead ends: 75 [2019-08-05 10:11:02,234 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=2703, Invalid=2847, Unknown=0, NotChecked=0, Total=5550 [2019-08-05 10:11:02,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-08-05 10:11:02,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-08-05 10:11:02,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-08-05 10:11:02,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2019-08-05 10:11:02,237 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 73 [2019-08-05 10:11:02,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:11:02,238 INFO L475 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2019-08-05 10:11:02,238 INFO L476 AbstractCegarLoop]: Interpolant automaton has 74 states. [2019-08-05 10:11:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2019-08-05 10:11:02,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-08-05 10:11:02,238 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:11:02,238 INFO L399 BasicCegarLoop]: trace histogram [71, 1, 1, 1] [2019-08-05 10:11:02,239 INFO L418 AbstractCegarLoop]: === Iteration 72 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:11:02,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:11:02,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1310663328, now seen corresponding path program 71 times [2019-08-05 10:11:02,240 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:11:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:11:02,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 147 conjunts are in the unsatisfiable core [2019-08-05 10:11:02,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:11:02,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,462 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,463 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,464 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,500 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,532 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,533 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,567 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,568 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,680 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,681 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,721 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,721 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,776 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,777 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,910 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,911 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,971 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,971 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:02,972 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,083 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,132 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,133 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,395 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,527 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,527 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,610 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,611 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,612 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,701 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,702 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,788 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,789 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,790 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,947 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:03,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,019 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,019 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,125 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,125 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,126 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,494 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,495 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,670 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,670 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,752 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,753 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,835 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:04,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,054 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,140 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,141 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,333 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,334 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,426 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,426 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,671 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,672 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,782 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,783 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,881 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:05,977 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,083 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,084 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,192 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,192 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,417 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,663 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,770 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,771 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,772 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:06,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,152 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,152 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,314 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,771 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,771 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,942 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:07,942 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,059 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,060 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,183 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,184 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,303 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,601 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,602 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,775 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,776 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,777 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:08,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:11:09,370 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:11:09,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2019-08-05 10:11:09,370 INFO L454 AbstractCegarLoop]: Interpolant automaton has 75 states [2019-08-05 10:11:09,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2019-08-05 10:11:09,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2703, Invalid=2847, Unknown=0, NotChecked=0, Total=5550 [2019-08-05 10:11:09,371 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 75 states. [2019-08-05 10:11:09,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:11:09,580 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2019-08-05 10:11:09,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2019-08-05 10:11:09,581 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 74 [2019-08-05 10:11:09,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:11:09,582 INFO L225 Difference]: With dead ends: 77 [2019-08-05 10:11:09,582 INFO L226 Difference]: Without dead ends: 76 [2019-08-05 10:11:09,582 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=2777, Invalid=2923, Unknown=0, NotChecked=0, Total=5700 [2019-08-05 10:11:09,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-08-05 10:11:09,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2019-08-05 10:11:09,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-08-05 10:11:09,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2019-08-05 10:11:09,585 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 74 [2019-08-05 10:11:09,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:11:09,585 INFO L475 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2019-08-05 10:11:09,585 INFO L476 AbstractCegarLoop]: Interpolant automaton has 75 states. [2019-08-05 10:11:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2019-08-05 10:11:09,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-08-05 10:11:09,586 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:11:09,586 INFO L399 BasicCegarLoop]: trace histogram [72, 1, 1, 1] [2019-08-05 10:11:09,586 INFO L418 AbstractCegarLoop]: === Iteration 73 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:11:09,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:11:09,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1975867104, now seen corresponding path program 72 times [2019-08-05 10:11:09,587 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:11:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:11:09,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 149 conjunts are in the unsatisfiable core [2019-08-05 10:11:09,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:11:09,678 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,699 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,728 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,729 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,761 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,762 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,796 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,796 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,832 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,891 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,891 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,891 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,939 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,939 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,982 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:09,983 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,036 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,037 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,038 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,098 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,246 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,295 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,345 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,346 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,347 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,417 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,777 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,778 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,902 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,903 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,995 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:10,996 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,060 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,061 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,128 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,129 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,384 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,385 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,465 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,466 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,647 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,647 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,748 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,749 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,917 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:11,918 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,002 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,003 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,096 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,096 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,338 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,434 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,434 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,684 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,934 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:12,935 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,177 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,509 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,510 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,613 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,753 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,754 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:13,991 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,096 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,098 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,249 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,249 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,365 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,365 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,494 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,495 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,607 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,733 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,734 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:14,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,420 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,420 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,562 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,687 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,688 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,689 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:15,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,000 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,001 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,130 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,131 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,131 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,451 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:11:16,537 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:11:16,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2019-08-05 10:11:16,538 INFO L454 AbstractCegarLoop]: Interpolant automaton has 76 states [2019-08-05 10:11:16,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2019-08-05 10:11:16,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2777, Invalid=2923, Unknown=0, NotChecked=0, Total=5700 [2019-08-05 10:11:16,538 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 76 states. [2019-08-05 10:11:16,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:11:16,719 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2019-08-05 10:11:16,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2019-08-05 10:11:16,720 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 75 [2019-08-05 10:11:16,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:11:16,720 INFO L225 Difference]: With dead ends: 78 [2019-08-05 10:11:16,721 INFO L226 Difference]: Without dead ends: 77 [2019-08-05 10:11:16,721 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=2852, Invalid=3000, Unknown=0, NotChecked=0, Total=5852 [2019-08-05 10:11:16,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-08-05 10:11:16,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2019-08-05 10:11:16,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-08-05 10:11:16,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2019-08-05 10:11:16,723 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 75 [2019-08-05 10:11:16,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:11:16,724 INFO L475 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2019-08-05 10:11:16,724 INFO L476 AbstractCegarLoop]: Interpolant automaton has 76 states. [2019-08-05 10:11:16,724 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2019-08-05 10:11:16,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-08-05 10:11:16,724 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:11:16,724 INFO L399 BasicCegarLoop]: trace histogram [73, 1, 1, 1] [2019-08-05 10:11:16,725 INFO L418 AbstractCegarLoop]: === Iteration 74 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:11:16,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:11:16,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1122347680, now seen corresponding path program 73 times [2019-08-05 10:11:16,726 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:11:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:11:16,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 151 conjunts are in the unsatisfiable core [2019-08-05 10:11:16,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:11:16,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,886 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,887 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,947 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,948 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,994 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:16,994 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,034 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,034 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,074 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,074 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,126 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,127 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,321 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,321 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,395 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,447 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,505 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,506 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,556 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,557 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,611 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,612 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,667 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,668 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,876 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,876 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:17,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,019 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,019 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,169 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,232 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,232 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,302 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,303 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,370 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,370 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,447 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,512 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,513 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,764 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,765 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:18,974 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,153 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,154 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,231 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,232 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,323 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,490 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,574 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,575 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,575 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,699 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,699 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,911 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:19,922 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,018 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,019 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,110 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,363 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,456 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,457 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,457 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,585 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,722 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,723 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,724 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:20,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,008 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,009 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,009 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,303 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,303 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,448 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,449 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,730 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,731 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,884 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,884 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:21,999 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,000 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,000 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,384 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,385 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,544 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,544 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,662 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,663 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,833 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:22,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,154 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,155 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,374 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,375 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,499 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,500 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,672 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,801 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,802 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,990 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,991 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:23,991 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:24,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:24,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:24,177 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:24,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:24,350 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:24,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:24,483 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:24,621 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:11:24,700 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:11:24,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2019-08-05 10:11:24,701 INFO L454 AbstractCegarLoop]: Interpolant automaton has 77 states [2019-08-05 10:11:24,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2019-08-05 10:11:24,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2852, Invalid=3000, Unknown=0, NotChecked=0, Total=5852 [2019-08-05 10:11:24,702 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 77 states. [2019-08-05 10:11:24,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:11:24,953 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2019-08-05 10:11:24,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2019-08-05 10:11:24,954 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 76 [2019-08-05 10:11:24,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:11:24,955 INFO L225 Difference]: With dead ends: 79 [2019-08-05 10:11:24,955 INFO L226 Difference]: Without dead ends: 78 [2019-08-05 10:11:24,955 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=2928, Invalid=3078, Unknown=0, NotChecked=0, Total=6006 [2019-08-05 10:11:24,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-08-05 10:11:24,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2019-08-05 10:11:24,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-08-05 10:11:24,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2019-08-05 10:11:24,958 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 76 [2019-08-05 10:11:24,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:11:24,958 INFO L475 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2019-08-05 10:11:24,958 INFO L476 AbstractCegarLoop]: Interpolant automaton has 77 states. [2019-08-05 10:11:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2019-08-05 10:11:24,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-08-05 10:11:24,959 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:11:24,960 INFO L399 BasicCegarLoop]: trace histogram [74, 1, 1, 1] [2019-08-05 10:11:24,960 INFO L418 AbstractCegarLoop]: === Iteration 75 === [GateControllerErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:11:24,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:11:24,960 INFO L82 PathProgramCache]: Analyzing trace with hash 433049312, now seen corresponding path program 74 times [2019-08-05 10:11:24,961 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:11:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:11:25,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 153 conjunts are in the unsatisfiable core [2019-08-05 10:11:25,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:11:25,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,395 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-08-05 10:11:25,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,413 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,445 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,445 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,446 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,485 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,485 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,486 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,528 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,529 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,563 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,563 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,659 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,659 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,702 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,703 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,761 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,762 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,763 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,820 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,919 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,920 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,969 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,970 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:25,971 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,033 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,034 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,083 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,135 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,135 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,136 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,329 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,330 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,468 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,468 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,529 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,529 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,806 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,807 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,894 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:26,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,059 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,060 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,131 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,132 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,300 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,301 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,398 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,580 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,669 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:11:27,670 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms Received shutdown request... [2019-08-05 10:11:27,680 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2019-08-05 10:11:27,680 WARN L544 AbstractCegarLoop]: Verification canceled [2019-08-05 10:11:27,685 WARN L223 ceAbstractionStarter]: Timeout [2019-08-05 10:11:27,686 INFO L202 PluginConnector]: Adding new model GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:11:27 BoogieIcfgContainer [2019-08-05 10:11:27,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:11:27,687 INFO L168 Benchmark]: Toolchain (without parser) took 249212.76 ms. Allocated memory was 141.0 MB in the beginning and 341.3 MB in the end (delta: 200.3 MB). Free memory was 109.4 MB in the beginning and 249.7 MB in the end (delta: -140.3 MB). Peak memory consumption was 59.9 MB. Max. memory is 7.1 GB. [2019-08-05 10:11:27,688 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 10:11:27,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.66 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 10:11:27,689 INFO L168 Benchmark]: Boogie Preprocessor took 28.06 ms. Allocated memory is still 141.0 MB. Free memory was 107.5 MB in the beginning and 106.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:11:27,690 INFO L168 Benchmark]: RCFGBuilder took 571.07 ms. Allocated memory is still 141.0 MB. Free memory was 106.3 MB in the beginning and 93.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-08-05 10:11:27,691 INFO L168 Benchmark]: TraceAbstraction took 248572.58 ms. Allocated memory was 141.0 MB in the beginning and 341.3 MB in the end (delta: 200.3 MB). Free memory was 93.2 MB in the beginning and 249.7 MB in the end (delta: -156.6 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:11:27,694 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 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.66 ms. Allocated memory is still 141.0 MB. Free memory was 109.4 MB in the beginning and 107.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.06 ms. Allocated memory is still 141.0 MB. Free memory was 107.5 MB in the beginning and 106.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 571.07 ms. Allocated memory is still 141.0 MB. Free memory was 106.3 MB in the beginning and 93.4 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 248572.58 ms. Allocated memory was 141.0 MB in the beginning and 341.3 MB in the end (delta: 200.3 MB). Free memory was 93.2 MB in the beginning and 249.7 MB in the end (delta: -156.6 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 44]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 44). Cancelled while BasicCegarLoop was analyzing trace of length 78 with TraceHistMax 74,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 40 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 locations, 1 error locations. TIMEOUT Result, 248.5s OverallTime, 75 OverallIterations, 74 TraceHistogramMax, 11.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 150 SDtfs, 1 SDslu, 81 SDs, 0 SdLazy, 4789 SolverSat, 273 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2922 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2921 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2701 ImplicationChecksByTransitivity, 223.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 74 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 231.7s InterpolantComputationTime, 2923 NumberOfCodeBlocks, 2923 NumberOfCodeBlocksAsserted, 74 NumberOfCheckSat, 2849 ConstructedInterpolants, 2775 QuantifiedInterpolants, 3762012 SizeOfPredicates, 2923 NumberOfNonLiveVariables, 14689 ConjunctsInSsa, 5771 ConjunctsInUnsatCore, 74 InterpolantComputations, 1 PerfectInterpolantSequences, 0/67525 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown