java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/toy/InvariantSum-1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:40:44,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:40:44,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:40:44,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:40:44,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:40:44,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:40:44,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:40:44,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:40:44,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:40:44,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:40:44,216 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:40:44,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:40:44,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:40:44,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:40:44,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:40:44,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:40:44,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:40:44,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:40:44,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:40:44,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:40:44,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:40:44,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:40:44,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:40:44,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:40:44,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:40:44,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:40:44,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:40:44,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:40:44,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:40:44,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:40:44,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:40:44,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:40:44,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:40:44,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:40:44,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:40:44,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:40:44,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:40:44,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:40:44,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:40:44,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:40:44,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:40:44,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:40:44,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:40:44,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:40:44,318 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:40:44,319 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:40:44,319 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSum-1.bpl [2019-08-05 10:40:44,319 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InvariantSum-1.bpl' [2019-08-05 10:40:44,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:40:44,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:40:44,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:40:44,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:40:44,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:40:44,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:40:44" (1/1) ... [2019-08-05 10:40:44,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:40:44" (1/1) ... [2019-08-05 10:40:44,379 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:40:44,379 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:40:44,379 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:40:44,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:40:44,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:40:44,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:40:44,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:40:44,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:40:44" (1/1) ... [2019-08-05 10:40:44,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:40:44" (1/1) ... [2019-08-05 10:40:44,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:40:44" (1/1) ... [2019-08-05 10:40:44,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:40:44" (1/1) ... [2019-08-05 10:40:44,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:40:44" (1/1) ... [2019-08-05 10:40:44,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:40:44" (1/1) ... [2019-08-05 10:40:44,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:40:44" (1/1) ... [2019-08-05 10:40:44,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:40:44,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:40:44,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:40:44,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:40:44,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:40:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 10:40:44,477 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:40:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:40:44,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:40:45,023 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:40:45,024 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:40:45,025 INFO L202 PluginConnector]: Adding new model InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:40:45 BoogieIcfgContainer [2019-08-05 10:40:45,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:40:45,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:40:45,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:40:45,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:40:45,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:40:44" (1/2) ... [2019-08-05 10:40:45,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e13ec2c and model type InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:40:45, skipping insertion in model container [2019-08-05 10:40:45,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:40:45" (2/2) ... [2019-08-05 10:40:45,033 INFO L109 eAbstractionObserver]: Analyzing ICFG InvariantSum-1.bpl [2019-08-05 10:40:45,043 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:40:45,050 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:40:45,064 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:40:45,088 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:40:45,089 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:40:45,089 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:40:45,089 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:40:45,089 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:40:45,090 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:40:45,090 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:40:45,090 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:40:45,090 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:40:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 10:40:45,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:40:45,110 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:45,111 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:40:45,114 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:45,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:45,120 INFO L82 PathProgramCache]: Analyzing trace with hash 941812, now seen corresponding path program 1 times [2019-08-05 10:40:45,163 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:45,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2019-08-05 10:40:45,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:45,279 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 10:40:45,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:40:45,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 10:40:45,286 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:40:45,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:40:45,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:40:45,303 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-08-05 10:40:45,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:45,359 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2019-08-05 10:40:45,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:40:45,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-08-05 10:40:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:45,373 INFO L225 Difference]: With dead ends: 10 [2019-08-05 10:40:45,373 INFO L226 Difference]: Without dead ends: 7 [2019-08-05 10:40:45,375 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 10:40:45,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-08-05 10:40:45,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-08-05 10:40:45,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 10:40:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2019-08-05 10:40:45,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 9 transitions. Word has length 4 [2019-08-05 10:40:45,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:45,408 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-08-05 10:40:45,408 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:40:45,408 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2019-08-05 10:40:45,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-08-05 10:40:45,409 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:45,409 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-08-05 10:40:45,410 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:45,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:45,410 INFO L82 PathProgramCache]: Analyzing trace with hash 29202900, now seen corresponding path program 1 times [2019-08-05 10:40:45,411 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:45,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2019-08-05 10:40:45,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:45,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:45,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:40:45,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:40:45,566 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:40:45,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:40:45,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:40:45,567 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand 4 states. [2019-08-05 10:40:45,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:45,767 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2019-08-05 10:40:45,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 10:40:45,767 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-08-05 10:40:45,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:45,768 INFO L225 Difference]: With dead ends: 7 [2019-08-05 10:40:45,768 INFO L226 Difference]: Without dead ends: 6 [2019-08-05 10:40:45,769 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:40:45,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2019-08-05 10:40:45,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2019-08-05 10:40:45,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-08-05 10:40:45,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2019-08-05 10:40:45,772 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 5 [2019-08-05 10:40:45,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:45,772 INFO L475 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2019-08-05 10:40:45,772 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:40:45,772 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-08-05 10:40:45,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-08-05 10:40:45,773 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:45,773 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-08-05 10:40:45,773 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:45,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:45,774 INFO L82 PathProgramCache]: Analyzing trace with hash 29958246, now seen corresponding path program 1 times [2019-08-05 10:40:45,774 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:45,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2019-08-05 10:40:45,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:45,858 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 10:40:45,859 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:45,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2019-08-05 10:40:45,859 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:40:45,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:40:45,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:40:45,860 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. Second operand 4 states. [2019-08-05 10:40:45,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:45,963 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2019-08-05 10:40:45,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:40:45,964 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-08-05 10:40:45,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:45,965 INFO L225 Difference]: With dead ends: 7 [2019-08-05 10:40:45,965 INFO L226 Difference]: Without dead ends: 7 [2019-08-05 10:40:45,966 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:40:45,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-08-05 10:40:45,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-08-05 10:40:45,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 10:40:45,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2019-08-05 10:40:45,967 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 5 [2019-08-05 10:40:45,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:45,967 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-08-05 10:40:45,968 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:40:45,968 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-08-05 10:40:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:40:45,968 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:45,969 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-08-05 10:40:45,969 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:45,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:45,969 INFO L82 PathProgramCache]: Analyzing trace with hash 928712354, now seen corresponding path program 1 times [2019-08-05 10:40:45,971 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:46,013 WARN L254 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 13 conjunts are in the unsatisfiable core [2019-08-05 10:40:46,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:46,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:46,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:46,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:46,073 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:46,075 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:46,745 WARN L188 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-08-05 10:40:46,749 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:40:46,749 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:46,752 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:46,891 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-08-05 10:40:46,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:40:46,897 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:46,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:46,902 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:47,507 WARN L188 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2019-08-05 10:40:47,510 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 6 terms [2019-08-05 10:40:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:47,555 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:47,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-08-05 10:40:47,556 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-08-05 10:40:47,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-08-05 10:40:47,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-08-05 10:40:47,557 INFO L87 Difference]: Start difference. First operand 7 states and 8 transitions. Second operand 7 states. [2019-08-05 10:40:47,886 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-08-05 10:40:48,100 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2019-08-05 10:40:48,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:48,129 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-08-05 10:40:48,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-08-05 10:40:48,133 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2019-08-05 10:40:48,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:48,134 INFO L225 Difference]: With dead ends: 11 [2019-08-05 10:40:48,134 INFO L226 Difference]: Without dead ends: 10 [2019-08-05 10:40:48,135 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-08-05 10:40:48,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-08-05 10:40:48,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2019-08-05 10:40:48,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-08-05 10:40:48,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2019-08-05 10:40:48,139 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 6 [2019-08-05 10:40:48,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:48,139 INFO L475 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-08-05 10:40:48,139 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-08-05 10:40:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-08-05 10:40:48,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-08-05 10:40:48,141 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:48,141 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-08-05 10:40:48,143 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:48,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:48,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1274681370, now seen corresponding path program 2 times [2019-08-05 10:40:48,144 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:48,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 7 conjunts are in the unsatisfiable core [2019-08-05 10:40:48,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:48,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,242 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,246 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:48,311 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:48,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-08-05 10:40:48,312 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-08-05 10:40:48,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-08-05 10:40:48,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-08-05 10:40:48,312 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand 7 states. [2019-08-05 10:40:48,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:48,381 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-08-05 10:40:48,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-08-05 10:40:48,382 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2019-08-05 10:40:48,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:48,382 INFO L225 Difference]: With dead ends: 11 [2019-08-05 10:40:48,383 INFO L226 Difference]: Without dead ends: 8 [2019-08-05 10:40:48,383 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-08-05 10:40:48,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-08-05 10:40:48,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-08-05 10:40:48,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-08-05 10:40:48,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-08-05 10:40:48,385 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 7 [2019-08-05 10:40:48,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:48,386 INFO L475 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-08-05 10:40:48,386 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-08-05 10:40:48,386 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-08-05 10:40:48,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-08-05 10:40:48,386 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:48,386 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-08-05 10:40:48,387 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:48,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:48,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1251265644, now seen corresponding path program 3 times [2019-08-05 10:40:48,388 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:48,457 WARN L254 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 20 conjunts are in the unsatisfiable core [2019-08-05 10:40:48,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:48,512 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,513 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,514 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,631 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2019-08-05 10:40:48,635 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:40:48,636 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,637 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,638 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,645 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,648 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,655 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,658 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,660 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,660 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:48,661 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:49,190 WARN L188 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2019-08-05 10:40:49,475 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-08-05 10:40:49,480 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:50,011 WARN L188 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 69 [2019-08-05 10:40:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:50,198 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:50,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-08-05 10:40:50,199 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-08-05 10:40:50,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-08-05 10:40:50,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-08-05 10:40:50,199 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 8 states. [2019-08-05 10:40:50,643 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-05 10:40:50,858 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 28 [2019-08-05 10:40:50,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:50,869 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2019-08-05 10:40:50,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-08-05 10:40:50,869 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 7 [2019-08-05 10:40:50,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:50,870 INFO L225 Difference]: With dead ends: 12 [2019-08-05 10:40:50,870 INFO L226 Difference]: Without dead ends: 11 [2019-08-05 10:40:50,871 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-08-05 10:40:50,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-08-05 10:40:50,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-08-05 10:40:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-08-05 10:40:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2019-08-05 10:40:50,874 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 7 [2019-08-05 10:40:50,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:50,874 INFO L475 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2019-08-05 10:40:50,874 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-08-05 10:40:50,874 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-08-05 10:40:50,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-08-05 10:40:50,875 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:50,875 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2019-08-05 10:40:50,875 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:50,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:50,876 INFO L82 PathProgramCache]: Analyzing trace with hash -134522572, now seen corresponding path program 4 times [2019-08-05 10:40:50,877 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:50,916 WARN L254 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 18 conjunts are in the unsatisfiable core [2019-08-05 10:40:50,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:50,968 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:50,969 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:50,970 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:50,971 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:50,972 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,377 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2019-08-05 10:40:51,380 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:40:51,381 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,384 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,385 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,388 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,389 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,394 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,394 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,395 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,396 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,397 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,401 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,408 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,412 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,413 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,413 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,415 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,417 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,418 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,419 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,420 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,420 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,421 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,422 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,423 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,424 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,868 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2019-08-05 10:40:51,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 13 terms [2019-08-05 10:40:51,871 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,872 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,873 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,875 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:51,875 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:52,058 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-08-05 10:40:52,061 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 13 terms [2019-08-05 10:40:52,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:52,063 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:52,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:52,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:52,066 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:52,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:52,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:52,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:52,583 WARN L188 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 83 [2019-08-05 10:40:52,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:52,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 15 terms [2019-08-05 10:40:52,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:52,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 15 terms [2019-08-05 10:40:52,592 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:53,245 WARN L188 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 92 [2019-08-05 10:40:53,249 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 22 terms [2019-08-05 10:40:53,249 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:53,324 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 10:40:53,325 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:53,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-08-05 10:40:53,325 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-08-05 10:40:53,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-08-05 10:40:53,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-08-05 10:40:53,326 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand 9 states. [2019-08-05 10:40:54,021 WARN L188 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-08-05 10:40:54,309 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 28 [2019-08-05 10:40:54,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:40:54,335 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2019-08-05 10:40:54,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-08-05 10:40:54,335 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 8 [2019-08-05 10:40:54,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:40:54,337 INFO L225 Difference]: With dead ends: 13 [2019-08-05 10:40:54,337 INFO L226 Difference]: Without dead ends: 12 [2019-08-05 10:40:54,337 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-08-05 10:40:54,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-08-05 10:40:54,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-08-05 10:40:54,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-08-05 10:40:54,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-08-05 10:40:54,340 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2019-08-05 10:40:54,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:40:54,341 INFO L475 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-08-05 10:40:54,341 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-08-05 10:40:54,341 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-08-05 10:40:54,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-08-05 10:40:54,341 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:40:54,341 INFO L399 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1] [2019-08-05 10:40:54,342 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:40:54,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:40:54,342 INFO L82 PathProgramCache]: Analyzing trace with hash -111106846, now seen corresponding path program 5 times [2019-08-05 10:40:54,343 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:40:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:40:54,471 WARN L254 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 23 conjunts are in the unsatisfiable core [2019-08-05 10:40:54,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:40:54,543 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,543 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,544 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,674 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-08-05 10:40:54,676 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,677 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:40:54,678 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,679 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,680 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,681 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:40:54,681 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,682 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,683 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,684 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:40:54,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,686 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,687 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,688 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,688 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,689 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,690 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,691 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:54,691 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,168 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2019-08-05 10:40:55,171 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,172 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,172 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 12 terms [2019-08-05 10:40:55,173 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,174 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,174 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 12 terms [2019-08-05 10:40:55,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,179 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,180 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,182 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,183 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,184 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,186 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 12 terms [2019-08-05 10:40:55,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,190 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,191 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,191 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:55,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:56,475 WARN L188 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 231 DAG size of output: 120 [2019-08-05 10:40:56,806 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-08-05 10:40:56,809 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 24 terms [2019-08-05 10:40:56,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:56,810 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:56,811 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:56,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:56,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:56,813 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:56,814 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:56,814 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:56,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:56,815 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:56,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:56,816 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:56,817 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:40:57,813 WARN L188 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 134 [2019-08-05 10:40:57,862 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:40:57,862 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:40:57,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-08-05 10:40:57,863 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-08-05 10:40:57,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-08-05 10:40:57,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-08-05 10:40:57,864 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 9 states. [2019-08-05 10:40:58,751 WARN L188 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 105 [2019-08-05 10:41:00,350 WARN L188 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 252 DAG size of output: 164 [2019-08-05 10:41:01,054 WARN L188 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-08-05 10:41:01,365 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 37 [2019-08-05 10:41:01,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:01,380 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-08-05 10:41:01,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-08-05 10:41:01,380 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 8 [2019-08-05 10:41:01,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:01,383 INFO L225 Difference]: With dead ends: 16 [2019-08-05 10:41:01,384 INFO L226 Difference]: Without dead ends: 15 [2019-08-05 10:41:01,384 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2019-08-05 10:41:01,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-08-05 10:41:01,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2019-08-05 10:41:01,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-08-05 10:41:01,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-08-05 10:41:01,388 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 15 transitions. Word has length 8 [2019-08-05 10:41:01,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:01,388 INFO L475 AbstractCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-08-05 10:41:01,388 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-08-05 10:41:01,388 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-08-05 10:41:01,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-08-05 10:41:01,389 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:01,389 INFO L399 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2019-08-05 10:41:01,389 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:01,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:01,390 INFO L82 PathProgramCache]: Analyzing trace with hash 124774292, now seen corresponding path program 6 times [2019-08-05 10:41:01,390 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:01,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 10 conjunts are in the unsatisfiable core [2019-08-05 10:41:01,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:01,450 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:01,451 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:01,451 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:01,612 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 5 [2019-08-05 10:41:01,613 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:01,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:01,615 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:01,793 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 5 [2019-08-05 10:41:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:41:02,261 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:02,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-08-05 10:41:02,261 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-08-05 10:41:02,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-08-05 10:41:02,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-08-05 10:41:02,262 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. Second operand 9 states. [2019-08-05 10:41:02,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:02,334 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-08-05 10:41:02,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-08-05 10:41:02,335 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2019-08-05 10:41:02,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:02,336 INFO L225 Difference]: With dead ends: 15 [2019-08-05 10:41:02,336 INFO L226 Difference]: Without dead ends: 11 [2019-08-05 10:41:02,337 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2019-08-05 10:41:02,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-08-05 10:41:02,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-08-05 10:41:02,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-08-05 10:41:02,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-08-05 10:41:02,339 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 9 [2019-08-05 10:41:02,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:02,339 INFO L475 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-08-05 10:41:02,339 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-08-05 10:41:02,340 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-08-05 10:41:02,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-08-05 10:41:02,340 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:02,340 INFO L399 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2019-08-05 10:41:02,340 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:02,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:02,341 INFO L82 PathProgramCache]: Analyzing trace with hash 850661798, now seen corresponding path program 7 times [2019-08-05 10:41:02,342 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:02,471 WARN L254 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 26 conjunts are in the unsatisfiable core [2019-08-05 10:41:02,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:02,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,558 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,559 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,706 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-08-05 10:41:02,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,711 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,712 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:41:02,714 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,717 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,718 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,719 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,719 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:02,721 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,201 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2019-08-05 10:41:03,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 13 terms [2019-08-05 10:41:03,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,206 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,209 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,222 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 13 terms [2019-08-05 10:41:03,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,227 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:03,228 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:04,295 WARN L188 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 116 [2019-08-05 10:41:04,636 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-05 10:41:04,639 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 24 terms [2019-08-05 10:41:04,640 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:04,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:04,641 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:04,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:04,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:04,643 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:04,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:41:04,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:04,645 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:04,645 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:04,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:04,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:05,640 WARN L188 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 128 [2019-08-05 10:41:05,644 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 27 terms [2019-08-05 10:41:05,645 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:41:05,645 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:05,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:05,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:05,647 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:05,648 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:41:05,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:05,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:05,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:05,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:05,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:05,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:41:05,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:06,652 WARN L188 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 145 [2019-08-05 10:41:06,706 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:41:06,707 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:06,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-08-05 10:41:06,707 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-08-05 10:41:06,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-08-05 10:41:06,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-08-05 10:41:06,708 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 10 states. [2019-08-05 10:41:07,399 WARN L188 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-08-05 10:41:07,926 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 37 [2019-08-05 10:41:07,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:07,946 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2019-08-05 10:41:07,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-08-05 10:41:07,946 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2019-08-05 10:41:07,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:07,947 INFO L225 Difference]: With dead ends: 14 [2019-08-05 10:41:07,947 INFO L226 Difference]: Without dead ends: 13 [2019-08-05 10:41:07,947 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-08-05 10:41:07,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-08-05 10:41:07,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-08-05 10:41:07,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-08-05 10:41:07,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2019-08-05 10:41:07,949 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 9 [2019-08-05 10:41:07,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:07,950 INFO L475 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2019-08-05 10:41:07,950 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-08-05 10:41:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-08-05 10:41:07,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-08-05 10:41:07,951 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:07,951 INFO L399 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1] [2019-08-05 10:41:07,951 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:07,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:07,951 INFO L82 PathProgramCache]: Analyzing trace with hash 874077524, now seen corresponding path program 8 times [2019-08-05 10:41:07,952 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:08,412 WARN L254 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 26 conjunts are in the unsatisfiable core [2019-08-05 10:41:08,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:08,522 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:08,522 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:08,523 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,021 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-08-05 10:41:09,023 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,024 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,024 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,025 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:41:09,025 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,026 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,027 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,028 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:41:09,028 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,030 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,030 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,449 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 69 [2019-08-05 10:41:09,452 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,454 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,454 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,455 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 12 terms [2019-08-05 10:41:09,456 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,456 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,456 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,457 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,457 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,458 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,459 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,460 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:09,461 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,580 WARN L188 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 205 DAG size of output: 110 [2019-08-05 10:41:10,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 25 terms [2019-08-05 10:41:10,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,591 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:41:10,592 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,592 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,593 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,593 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,594 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,595 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,596 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,597 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,597 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,598 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,598 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,599 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,599 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,600 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,600 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,601 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,602 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,603 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,604 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,605 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:41:10,606 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,607 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,607 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,608 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,608 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,609 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,610 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,610 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,611 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,611 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,612 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,613 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,613 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,615 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:10,615 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:13,179 WARN L188 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 405 DAG size of output: 173 [2019-08-05 10:41:13,951 WARN L188 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-08-05 10:41:13,955 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 48 terms [2019-08-05 10:41:13,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:13,956 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:13,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:13,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:13,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:13,959 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:13,960 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:13,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:13,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:13,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:13,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:13,963 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:13,964 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:15,715 WARN L188 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 237 DAG size of output: 190 [2019-08-05 10:41:15,781 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:41:15,781 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:15,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-08-05 10:41:15,782 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-08-05 10:41:15,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-08-05 10:41:15,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-08-05 10:41:15,782 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 10 states. [2019-08-05 10:41:18,100 WARN L188 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 312 DAG size of output: 163 [2019-08-05 10:41:20,584 WARN L188 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 334 DAG size of output: 206 [2019-08-05 10:41:21,847 WARN L188 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 222 [2019-08-05 10:41:22,316 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 46 [2019-08-05 10:41:22,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:22,337 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2019-08-05 10:41:22,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-08-05 10:41:22,338 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2019-08-05 10:41:22,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:22,339 INFO L225 Difference]: With dead ends: 17 [2019-08-05 10:41:22,339 INFO L226 Difference]: Without dead ends: 16 [2019-08-05 10:41:22,340 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2019-08-05 10:41:22,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-08-05 10:41:22,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 13. [2019-08-05 10:41:22,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-08-05 10:41:22,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2019-08-05 10:41:22,343 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 9 [2019-08-05 10:41:22,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:22,343 INFO L475 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-08-05 10:41:22,343 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-08-05 10:41:22,343 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2019-08-05 10:41:22,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-08-05 10:41:22,344 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:22,344 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1] [2019-08-05 10:41:22,344 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:22,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:22,344 INFO L82 PathProgramCache]: Analyzing trace with hash 600718690, now seen corresponding path program 9 times [2019-08-05 10:41:22,345 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:22,373 WARN L254 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 23 conjunts are in the unsatisfiable core [2019-08-05 10:41:22,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:22,509 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,509 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,510 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,510 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,511 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,511 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,512 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,840 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-08-05 10:41:22,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:41:22,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:41:22,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:22,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:23,256 WARN L188 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2019-08-05 10:41:23,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:23,259 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:23,259 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:23,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:23,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:23,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:23,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 12 terms [2019-08-05 10:41:23,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:23,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:23,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:23,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:23,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:23,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,262 WARN L188 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 113 [2019-08-05 10:41:24,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 26 terms [2019-08-05 10:41:24,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:41:24,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,580 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-08-05 10:41:24,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 26 terms [2019-08-05 10:41:24,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:41:24,585 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,591 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,591 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,592 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,592 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,593 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:24,594 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,677 WARN L188 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 173 DAG size of output: 134 [2019-08-05 10:41:25,680 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 29 terms [2019-08-05 10:41:25,680 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,681 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,682 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,682 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,683 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,683 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,683 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,684 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,684 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,685 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,686 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,686 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:25,687 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:26,699 WARN L188 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 151 [2019-08-05 10:41:26,702 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:26,703 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 29 terms [2019-08-05 10:41:26,705 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 29 terms [2019-08-05 10:41:27,977 WARN L188 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 207 DAG size of output: 157 [2019-08-05 10:41:27,980 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 39 terms [2019-08-05 10:41:28,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:41:28,043 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:28,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-08-05 10:41:28,043 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-08-05 10:41:28,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-08-05 10:41:28,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2019-08-05 10:41:28,044 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand 11 states. [2019-08-05 10:41:29,259 WARN L188 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 163 DAG size of output: 156 [2019-08-05 10:41:29,837 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 37 [2019-08-05 10:41:29,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:29,864 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2019-08-05 10:41:29,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-08-05 10:41:29,865 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 10 [2019-08-05 10:41:29,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:29,866 INFO L225 Difference]: With dead ends: 17 [2019-08-05 10:41:29,866 INFO L226 Difference]: Without dead ends: 16 [2019-08-05 10:41:29,867 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2019-08-05 10:41:29,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-08-05 10:41:29,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2019-08-05 10:41:29,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-08-05 10:41:29,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2019-08-05 10:41:29,869 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 10 [2019-08-05 10:41:29,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:29,870 INFO L475 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-08-05 10:41:29,870 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-08-05 10:41:29,870 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-08-05 10:41:29,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-08-05 10:41:29,870 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:29,871 INFO L399 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1] [2019-08-05 10:41:29,871 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:29,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:29,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1326606196, now seen corresponding path program 10 times [2019-08-05 10:41:29,872 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:30,268 WARN L254 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 29 conjunts are in the unsatisfiable core [2019-08-05 10:41:30,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:30,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:30,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:30,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,026 WARN L188 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-08-05 10:41:31,028 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,029 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,030 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,030 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,031 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,032 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,567 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 67 [2019-08-05 10:41:31,569 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,570 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,571 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,572 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,574 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,574 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,575 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 15 terms [2019-08-05 10:41:31,576 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,576 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,577 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:31,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,702 WARN L188 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 215 DAG size of output: 104 [2019-08-05 10:41:32,705 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,705 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,706 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 29 terms [2019-08-05 10:41:32,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,711 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,712 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,715 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,717 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 29 terms [2019-08-05 10:41:32,718 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,718 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,719 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,722 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,722 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:32,723 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,050 WARN L188 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 362 DAG size of output: 166 [2019-08-05 10:41:35,701 WARN L188 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-08-05 10:41:35,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 45 terms [2019-08-05 10:41:35,704 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,705 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,706 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,706 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,707 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,711 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,711 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,712 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:35,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:37,372 WARN L188 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2019-08-05 10:41:37,376 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:39,451 WARN L188 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 280 DAG size of output: 192 [2019-08-05 10:41:39,532 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:41:39,533 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:41:39,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-08-05 10:41:39,533 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-08-05 10:41:39,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-08-05 10:41:39,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2019-08-05 10:41:39,534 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand 11 states. [2019-08-05 10:41:41,309 WARN L188 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 333 DAG size of output: 172 [2019-08-05 10:41:44,023 WARN L188 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 472 DAG size of output: 212 [2019-08-05 10:41:45,365 WARN L188 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 251 [2019-08-05 10:41:48,704 WARN L188 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 280 DAG size of output: 154 [2019-08-05 10:41:49,338 WARN L188 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 46 [2019-08-05 10:41:49,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:41:49,368 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2019-08-05 10:41:49,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-08-05 10:41:49,369 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 10 [2019-08-05 10:41:49,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:41:49,369 INFO L225 Difference]: With dead ends: 19 [2019-08-05 10:41:49,369 INFO L226 Difference]: Without dead ends: 18 [2019-08-05 10:41:49,370 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 18.8s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2019-08-05 10:41:49,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-08-05 10:41:49,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 14. [2019-08-05 10:41:49,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-08-05 10:41:49,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2019-08-05 10:41:49,372 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 10 [2019-08-05 10:41:49,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:41:49,372 INFO L475 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-08-05 10:41:49,372 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-08-05 10:41:49,372 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-08-05 10:41:49,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-08-05 10:41:49,373 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:41:49,373 INFO L399 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1] [2019-08-05 10:41:49,373 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:41:49,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:41:49,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1350021922, now seen corresponding path program 11 times [2019-08-05 10:41:49,374 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:41:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:41:50,966 WARN L254 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 29 conjunts are in the unsatisfiable core [2019-08-05 10:41:50,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:41:51,023 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,023 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,024 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,183 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-08-05 10:41:51,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:41:51,186 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,186 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,575 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 68 [2019-08-05 10:41:51,577 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,577 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 12 terms [2019-08-05 10:41:51,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,578 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:41:51,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,579 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,580 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 12 terms [2019-08-05 10:41:51,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,581 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,582 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,583 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 12 terms [2019-08-05 10:41:51,584 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,585 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,585 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:41:51,586 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,587 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 12 terms [2019-08-05 10:41:51,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,588 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:41:51,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,589 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:51,590 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,397 WARN L188 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 208 DAG size of output: 118 [2019-08-05 10:41:53,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 26 terms [2019-08-05 10:41:53,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,402 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,403 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,404 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,406 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,407 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,409 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,410 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,412 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 26 terms [2019-08-05 10:41:53,412 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,413 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,414 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,415 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,415 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,417 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,418 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:53,418 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,176 WARN L188 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 455 DAG size of output: 169 [2019-08-05 10:41:56,179 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,180 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 47 terms [2019-08-05 10:41:56,180 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,182 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,182 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,182 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,183 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,183 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,184 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,184 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,184 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,186 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,186 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,186 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,190 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,190 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,190 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,191 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,192 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,192 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,193 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,194 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,195 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,195 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,196 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,197 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,198 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,198 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,200 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,200 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,201 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,202 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,202 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,202 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,203 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,205 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,206 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,206 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,207 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,209 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,209 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 47 terms [2019-08-05 10:41:56,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,222 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,227 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,228 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,228 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,231 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,231 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,232 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,233 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,233 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,238 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,238 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,239 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,239 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,242 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,244 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,244 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,245 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,245 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,246 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,249 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,250 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,250 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,254 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,254 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,256 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,256 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,259 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,259 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,259 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:56,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:41:59,882 WARN L188 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 517 DAG size of output: 251 [2019-08-05 10:42:00,855 WARN L188 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2019-08-05 10:42:00,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:03,720 WARN L188 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 324 DAG size of output: 215 [2019-08-05 10:42:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:42:03,810 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:42:03,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-08-05 10:42:03,810 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-08-05 10:42:03,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-08-05 10:42:03,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-08-05 10:42:03,811 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand 11 states. [2019-08-05 10:42:05,788 WARN L188 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 406 DAG size of output: 167 [2019-08-05 10:42:08,924 WARN L188 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 443 DAG size of output: 259 [2019-08-05 10:42:15,443 WARN L188 SmtUtils]: Spent 6.38 s on a formula simplification. DAG size of input: 455 DAG size of output: 297 [2019-08-05 10:42:17,571 WARN L188 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 317 [2019-08-05 10:42:18,225 WARN L188 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 55 [2019-08-05 10:42:18,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:42:18,248 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2019-08-05 10:42:18,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-08-05 10:42:18,249 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 10 [2019-08-05 10:42:18,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:42:18,250 INFO L225 Difference]: With dead ends: 19 [2019-08-05 10:42:18,250 INFO L226 Difference]: Without dead ends: 18 [2019-08-05 10:42:18,251 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 26.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-08-05 10:42:18,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-08-05 10:42:18,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2019-08-05 10:42:18,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-08-05 10:42:18,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2019-08-05 10:42:18,254 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 10 [2019-08-05 10:42:18,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:42:18,254 INFO L475 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-08-05 10:42:18,254 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-08-05 10:42:18,255 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2019-08-05 10:42:18,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-08-05 10:42:18,255 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:42:18,255 INFO L399 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1] [2019-08-05 10:42:18,255 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:42:18,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:42:18,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1442416934, now seen corresponding path program 12 times [2019-08-05 10:42:18,257 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:42:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:42:18,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2019-08-05 10:42:18,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:42:18,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,301 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,301 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,302 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:42:18,350 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:42:18,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-08-05 10:42:18,350 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-08-05 10:42:18,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-08-05 10:42:18,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-08-05 10:42:18,351 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. Second operand 11 states. [2019-08-05 10:42:18,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:42:18,545 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2019-08-05 10:42:18,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-08-05 10:42:18,546 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 11 [2019-08-05 10:42:18,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:42:18,546 INFO L225 Difference]: With dead ends: 19 [2019-08-05 10:42:18,547 INFO L226 Difference]: Without dead ends: 14 [2019-08-05 10:42:18,547 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2019-08-05 10:42:18,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-08-05 10:42:18,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-08-05 10:42:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-08-05 10:42:18,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2019-08-05 10:42:18,550 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 11 [2019-08-05 10:42:18,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:42:18,550 INFO L475 AbstractCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-08-05 10:42:18,550 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-08-05 10:42:18,550 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2019-08-05 10:42:18,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-08-05 10:42:18,551 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:42:18,551 INFO L399 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1] [2019-08-05 10:42:18,551 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:42:18,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:42:18,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1824874156, now seen corresponding path program 13 times [2019-08-05 10:42:18,553 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:42:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:42:18,701 WARN L254 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 32 conjunts are in the unsatisfiable core [2019-08-05 10:42:18,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:42:18,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,857 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2019-08-05 10:42:18,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:42:18,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:42:18,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:18,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,260 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 67 [2019-08-05 10:42:19,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 12 terms [2019-08-05 10:42:19,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:19,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:19,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,276 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,276 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:19,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:20,373 WARN L188 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 234 DAG size of output: 110 [2019-08-05 10:42:20,376 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:20,376 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:20,377 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:20,378 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:20,379 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:20,380 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 23 terms [2019-08-05 10:42:20,380 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:20,380 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:20,381 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:20,381 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:20,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:20,382 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:20,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:20,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:20,384 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:20,385 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:22,754 WARN L188 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 388 DAG size of output: 165 [2019-08-05 10:42:23,341 WARN L188 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-08-05 10:42:23,344 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 45 terms [2019-08-05 10:42:23,345 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:23,346 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:23,346 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:23,346 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:23,347 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:23,347 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:23,348 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:23,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:23,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:23,349 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:23,350 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:23,351 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:23,351 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:23,352 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:23,352 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,154 WARN L188 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 270 DAG size of output: 196 [2019-08-05 10:42:25,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 48 terms [2019-08-05 10:42:25,158 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,164 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:25,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,072 WARN L188 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 253 DAG size of output: 212 [2019-08-05 10:42:27,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 48 terms [2019-08-05 10:42:27,076 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:27,077 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,078 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,079 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,080 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:27,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,081 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:27,082 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,083 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,083 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:27,084 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,084 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:27,085 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,085 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:27,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:29,028 WARN L188 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 261 DAG size of output: 226 [2019-08-05 10:42:29,111 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:42:29,111 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:42:29,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-08-05 10:42:29,111 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-08-05 10:42:29,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-08-05 10:42:29,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-08-05 10:42:29,112 INFO L87 Difference]: Start difference. First operand 14 states and 17 transitions. Second operand 12 states. [2019-08-05 10:42:30,512 WARN L188 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 253 [2019-08-05 10:42:31,383 WARN L188 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 46 [2019-08-05 10:42:31,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:42:31,415 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2019-08-05 10:42:31,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-08-05 10:42:31,416 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 11 [2019-08-05 10:42:31,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:42:31,416 INFO L225 Difference]: With dead ends: 18 [2019-08-05 10:42:31,417 INFO L226 Difference]: Without dead ends: 17 [2019-08-05 10:42:31,417 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2019-08-05 10:42:31,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-08-05 10:42:31,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2019-08-05 10:42:31,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-08-05 10:42:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2019-08-05 10:42:31,420 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 11 [2019-08-05 10:42:31,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:42:31,420 INFO L475 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-08-05 10:42:31,420 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-08-05 10:42:31,420 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2019-08-05 10:42:31,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-08-05 10:42:31,421 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:42:31,421 INFO L399 BasicCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1] [2019-08-05 10:42:31,421 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:42:31,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:42:31,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1098986650, now seen corresponding path program 14 times [2019-08-05 10:42:31,422 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:42:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:42:33,336 WARN L254 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 32 conjunts are in the unsatisfiable core [2019-08-05 10:42:33,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:42:33,399 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,400 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,538 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-08-05 10:42:33,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:42:33,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,542 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,542 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,543 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,543 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,544 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,544 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,545 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,545 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,546 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,547 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:42:33,547 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,548 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,549 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,550 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,551 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:33,552 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,152 WARN L188 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2019-08-05 10:42:34,154 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,155 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 10 terms [2019-08-05 10:42:34,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:34,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,158 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,158 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,158 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:34,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,164 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,164 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 10 terms [2019-08-05 10:42:34,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:34,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,169 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:34,169 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,262 WARN L188 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 263 DAG size of output: 119 [2019-08-05 10:42:35,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 27 terms [2019-08-05 10:42:35,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,276 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,276 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,276 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,280 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,280 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,290 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,290 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,295 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,295 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,297 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,297 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,300 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,300 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:42:35,301 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,301 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,302 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,302 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,303 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,303 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,314 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,314 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:35,318 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,702 WARN L188 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 387 DAG size of output: 178 [2019-08-05 10:42:37,705 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,706 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,706 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 46 terms [2019-08-05 10:42:37,708 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,710 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,711 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,711 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,712 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,712 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,712 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,713 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,714 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,714 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,716 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,717 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 46 terms [2019-08-05 10:42:37,717 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,718 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,718 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,719 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,719 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,721 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,721 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,722 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,723 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,724 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,724 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:37,726 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:43,280 WARN L188 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 710 DAG size of output: 227 [2019-08-05 10:42:44,383 WARN L188 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 189 [2019-08-05 10:42:44,386 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 71 terms [2019-08-05 10:42:44,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,387 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,388 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,388 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,389 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,389 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,390 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,391 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,392 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,393 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,393 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,393 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,394 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:44,394 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:47,221 WARN L188 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 368 DAG size of output: 270 [2019-08-05 10:42:47,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:42:50,664 WARN L188 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 380 DAG size of output: 253 [2019-08-05 10:42:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:42:50,758 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:42:50,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-08-05 10:42:50,758 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-08-05 10:42:50,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-08-05 10:42:50,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-08-05 10:42:50,759 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand 12 states. [2019-08-05 10:42:53,875 WARN L188 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 464 DAG size of output: 248 [2019-08-05 10:43:00,585 WARN L188 SmtUtils]: Spent 6.59 s on a formula simplification. DAG size of input: 618 DAG size of output: 289 [2019-08-05 10:43:02,969 WARN L188 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 329 [2019-08-05 10:43:06,581 WARN L188 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 371 DAG size of output: 224 [2019-08-05 10:43:07,584 WARN L188 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 55 [2019-08-05 10:43:07,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:43:07,616 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2019-08-05 10:43:07,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-08-05 10:43:07,617 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 11 [2019-08-05 10:43:07,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:43:07,618 INFO L225 Difference]: With dead ends: 20 [2019-08-05 10:43:07,618 INFO L226 Difference]: Without dead ends: 19 [2019-08-05 10:43:07,619 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 33.8s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2019-08-05 10:43:07,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-08-05 10:43:07,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 15. [2019-08-05 10:43:07,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-08-05 10:43:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2019-08-05 10:43:07,621 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 11 [2019-08-05 10:43:07,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:43:07,621 INFO L475 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2019-08-05 10:43:07,621 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-08-05 10:43:07,621 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2019-08-05 10:43:07,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-08-05 10:43:07,622 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:43:07,622 INFO L399 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1] [2019-08-05 10:43:07,622 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:43:07,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:43:07,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1075570924, now seen corresponding path program 15 times [2019-08-05 10:43:07,623 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:43:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:43:24,315 WARN L254 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 32 conjunts are in the unsatisfiable core [2019-08-05 10:43:24,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:43:24,361 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,361 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,466 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2019-08-05 10:43:24,468 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,468 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:43:24,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,469 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,470 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,471 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,472 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,472 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:43:24,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,473 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,474 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,851 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2019-08-05 10:43:24,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 11 terms [2019-08-05 10:43:24,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:43:24,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 11 terms [2019-08-05 10:43:24,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:43:24,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:24,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,085 WARN L188 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 252 DAG size of output: 119 [2019-08-05 10:43:26,087 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 26 terms [2019-08-05 10:43:26,088 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,089 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,090 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,091 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,092 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,093 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,094 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,095 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,095 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,095 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,096 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:43:26,096 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,096 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,097 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,098 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,099 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,099 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,099 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,100 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,100 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,100 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,101 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,101 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,101 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,102 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,102 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,102 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,103 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,104 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,105 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,106 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 26 terms [2019-08-05 10:43:26,106 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,106 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,106 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,107 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,107 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,108 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,108 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,108 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,109 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,109 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,109 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,110 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,110 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,110 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,111 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,112 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,112 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,112 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,113 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,113 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,113 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,114 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,114 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,114 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,115 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,115 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,116 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,116 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,117 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,117 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,118 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,118 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,119 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:43:26,119 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,120 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,120 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,121 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,121 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,122 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,122 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,123 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,123 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,124 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,124 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:26,125 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,840 WARN L188 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 405 DAG size of output: 179 [2019-08-05 10:43:28,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 42 terms [2019-08-05 10:43:28,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,860 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,861 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:43:28,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,862 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,863 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,864 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,865 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,866 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,867 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,868 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,869 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,870 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,871 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,871 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,872 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,872 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,873 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,873 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,874 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,875 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,875 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,875 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,876 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,876 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,876 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,877 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,878 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:28,879 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,205 WARN L188 SmtUtils]: Spent 6.23 s on a formula simplification. DAG size of input: 638 DAG size of output: 242 [2019-08-05 10:43:35,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 69 terms [2019-08-05 10:43:35,209 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,209 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,209 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,216 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,217 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,218 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,219 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,220 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,221 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:43:35,222 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,222 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,222 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,223 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,224 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,225 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,227 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,227 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,227 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,228 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,228 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,228 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,229 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,230 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,231 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,231 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,232 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,232 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,232 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,233 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,234 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,235 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,236 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,237 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,238 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,238 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,239 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,239 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,240 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,241 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,242 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,242 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,243 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,244 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,244 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,245 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,245 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,246 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,246 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,247 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,248 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,249 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,249 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,250 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,250 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,251 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,252 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,253 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,254 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,254 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,255 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,256 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,256 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,257 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,258 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,259 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,259 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,260 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,261 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,263 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,264 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,266 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,267 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,268 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,269 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,271 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,272 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,273 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,276 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,276 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,279 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,280 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,280 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,281 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,282 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,283 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,284 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,287 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,290 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,290 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,292 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,293 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,294 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,295 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,295 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,296 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,297 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,298 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,299 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,300 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,300 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,301 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,301 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,302 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,302 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,303 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,303 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,303 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,305 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,308 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,310 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,311 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,313 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,314 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,314 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,316 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,318 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,318 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,319 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,321 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,321 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,321 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,323 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,324 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,324 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,324 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,325 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,326 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,327 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,328 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,329 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,329 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,329 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,330 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,330 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,331 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,331 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,332 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,332 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,333 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,333 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,334 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,334 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,335 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,335 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,336 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,336 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,337 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,338 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,338 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,338 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,339 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,339 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,340 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,340 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,341 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:35,341 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:42,544 WARN L188 SmtUtils]: Spent 7.05 s on a formula simplification. DAG size of input: 868 DAG size of output: 334 [2019-08-05 10:43:44,160 WARN L188 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 266 [2019-08-05 10:43:44,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:43:48,983 WARN L188 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 452 DAG size of output: 299 [2019-08-05 10:43:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:43:49,094 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:43:49,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-08-05 10:43:49,094 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-08-05 10:43:49,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-08-05 10:43:49,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-08-05 10:43:49,095 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand 12 states. [2019-08-05 10:43:54,025 WARN L188 SmtUtils]: Spent 4.82 s on a formula simplification. DAG size of input: 570 DAG size of output: 255 [2019-08-05 10:43:59,754 WARN L188 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 609 DAG size of output: 354 [2019-08-05 10:44:07,242 WARN L188 SmtUtils]: Spent 7.28 s on a formula simplification. DAG size of input: 662 DAG size of output: 456 [2019-08-05 10:44:11,072 WARN L188 SmtUtils]: Spent 3.70 s on a formula simplification that was a NOOP. DAG size: 466 [2019-08-05 10:44:12,066 WARN L188 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 64 [2019-08-05 10:44:12,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:44:12,111 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2019-08-05 10:44:12,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-08-05 10:44:12,111 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 11 [2019-08-05 10:44:12,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:44:12,112 INFO L225 Difference]: With dead ends: 20 [2019-08-05 10:44:12,112 INFO L226 Difference]: Without dead ends: 19 [2019-08-05 10:44:12,112 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 47.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2019-08-05 10:44:12,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-08-05 10:44:12,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 16. [2019-08-05 10:44:12,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-08-05 10:44:12,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2019-08-05 10:44:12,115 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 11 [2019-08-05 10:44:12,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:44:12,115 INFO L475 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2019-08-05 10:44:12,115 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-08-05 10:44:12,115 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2019-08-05 10:44:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-08-05 10:44:12,116 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:44:12,116 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1] [2019-08-05 10:44:12,116 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:44:12,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:44:12,116 INFO L82 PathProgramCache]: Analyzing trace with hash -736517260, now seen corresponding path program 16 times [2019-08-05 10:44:12,117 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:44:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:44:12,172 WARN L254 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 28 conjunts are in the unsatisfiable core [2019-08-05 10:44:12,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:44:12,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,289 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,290 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,290 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,291 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,474 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-08-05 10:44:12,475 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:44:12,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,476 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,477 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,478 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,478 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,478 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,479 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,480 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,480 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,480 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,480 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,482 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,483 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,483 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,483 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,484 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,484 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,485 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,485 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,485 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,485 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,486 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,486 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,486 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,487 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,487 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,488 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,887 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 68 [2019-08-05 10:44:12,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,890 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,890 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 13 terms [2019-08-05 10:44:12,891 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,891 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,891 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,892 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,893 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 13 terms [2019-08-05 10:44:12,893 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,894 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,894 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,895 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,896 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 13 terms [2019-08-05 10:44:12,896 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,896 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,897 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,897 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:44:12,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,899 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,899 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,899 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,900 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,901 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,901 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,902 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,902 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,902 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,903 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,903 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,903 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,904 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:12,905 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,819 WARN L188 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 115 [2019-08-05 10:44:13,821 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 24 terms [2019-08-05 10:44:13,822 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,823 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,824 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,824 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,825 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,826 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:44:13,827 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 24 terms [2019-08-05 10:44:13,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,828 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,829 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,830 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:44:13,831 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,832 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,833 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,833 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 24 terms [2019-08-05 10:44:13,833 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,834 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,835 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,835 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,836 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,837 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,838 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,839 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,840 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,841 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,842 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,843 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 24 terms [2019-08-05 10:44:13,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,844 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,845 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,846 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,847 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,848 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,851 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,852 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:44:13,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,853 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,854 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,855 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,856 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,857 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:13,858 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,139 WARN L188 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 388 DAG size of output: 176 [2019-08-05 10:44:16,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 42 terms [2019-08-05 10:44:16,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,146 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,146 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,147 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,148 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,148 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,148 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,149 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,725 WARN L188 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-08-05 10:44:16,728 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,729 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 42 terms [2019-08-05 10:44:16,729 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,730 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,730 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,730 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,731 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,731 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,731 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,732 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,733 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,733 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,733 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,734 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 42 terms [2019-08-05 10:44:16,734 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,735 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,735 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,736 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,736 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,736 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,737 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,737 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,738 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,738 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,738 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:16,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,610 WARN L188 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 234 DAG size of output: 162 [2019-08-05 10:44:18,613 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 56 terms [2019-08-05 10:44:18,614 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,615 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,615 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,615 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,616 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,617 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,617 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,618 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,618 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,618 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:44:18,619 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,620 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,620 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,621 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,621 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:18,621 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:44:20,664 WARN L188 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 275 DAG size of output: 215 [2019-08-05 10:44:20,667 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:20,668 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 49 terms [2019-08-05 10:44:20,670 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:20,671 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 49 terms [2019-08-05 10:44:20,672 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:22,952 WARN L188 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 311 DAG size of output: 219 [2019-08-05 10:44:22,955 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:22,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 63 terms [2019-08-05 10:44:22,957 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:22,958 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:22,960 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 63 terms [2019-08-05 10:44:22,961 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:22,962 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:25,645 WARN L188 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 303 DAG size of output: 221 [2019-08-05 10:44:25,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 79 terms [2019-08-05 10:44:25,649 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:25,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:25,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:44:25,739 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:44:25,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2019-08-05 10:44:25,739 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-08-05 10:44:25,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-08-05 10:44:25,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2019-08-05 10:44:25,740 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand 13 states. [2019-08-05 10:44:28,233 WARN L188 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 240 DAG size of output: 238 [2019-08-05 10:44:29,347 WARN L188 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 46 [2019-08-05 10:44:29,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:44:29,389 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2019-08-05 10:44:29,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-08-05 10:44:29,389 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 12 [2019-08-05 10:44:29,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:44:29,390 INFO L225 Difference]: With dead ends: 21 [2019-08-05 10:44:29,390 INFO L226 Difference]: Without dead ends: 20 [2019-08-05 10:44:29,390 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2019-08-05 10:44:29,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-08-05 10:44:29,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2019-08-05 10:44:29,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-08-05 10:44:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-08-05 10:44:29,393 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 12 [2019-08-05 10:44:29,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:44:29,393 INFO L475 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-08-05 10:44:29,394 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-08-05 10:44:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-08-05 10:44:29,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-08-05 10:44:29,394 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:44:29,394 INFO L399 BasicCegarLoop]: trace histogram [5, 3, 1, 1, 1, 1] [2019-08-05 10:44:29,394 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:44:29,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:44:29,395 INFO L82 PathProgramCache]: Analyzing trace with hash 291158946, now seen corresponding path program 17 times [2019-08-05 10:44:29,395 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:44:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:44:30,503 WARN L254 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 35 conjunts are in the unsatisfiable core [2019-08-05 10:44:30,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:44:30,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,538 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,539 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,648 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-08-05 10:44:30,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,650 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:44:30,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,655 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-05 10:44:30,655 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,655 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,658 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:30,658 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,035 WARN L188 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2019-08-05 10:44:31,037 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 11 terms [2019-08-05 10:44:31,037 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,037 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,038 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,038 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,038 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,039 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,039 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,040 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,040 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,040 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,040 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,041 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,041 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,042 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,042 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,042 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,043 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:44:31,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:44:31,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,048 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,048 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,049 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,049 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,049 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,052 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,052 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,052 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,052 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,053 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,053 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,053 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,054 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,054 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,054 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:31,058 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,041 WARN L188 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 117 [2019-08-05 10:44:32,044 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 25 terms [2019-08-05 10:44:32,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,045 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,046 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,047 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,048 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,048 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,049 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,049 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,050 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,051 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,052 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,052 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,053 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,053 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,053 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,054 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,054 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,054 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,055 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,056 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:44:32,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,057 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,058 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,058 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,058 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,059 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,059 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,059 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,060 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,060 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,060 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,061 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,061 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,061 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,062 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,064 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 25 terms [2019-08-05 10:44:32,065 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,066 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,066 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,066 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,067 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,068 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,069 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 25 terms [2019-08-05 10:44:32,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,071 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,072 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,072 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,073 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,073 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,073 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:32,074 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,145 WARN L188 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 393 DAG size of output: 178 [2019-08-05 10:44:34,148 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,149 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 44 terms [2019-08-05 10:44:34,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,150 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,151 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,152 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,152 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,152 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,153 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,153 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,153 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,154 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,154 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,154 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,155 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,155 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,156 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,157 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,158 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,158 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,158 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,159 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,160 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,161 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,162 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,163 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,164 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,164 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,164 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,165 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,166 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,167 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,168 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,169 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,169 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,170 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,170 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,171 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,171 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,172 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,172 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,173 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,173 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,174 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,174 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,175 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,176 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,177 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,177 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,178 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,180 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,181 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,183 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 44 terms [2019-08-05 10:44:34,184 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,184 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,185 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,186 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,186 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,188 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,189 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,190 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:34,190 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:39,402 WARN L188 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 644 DAG size of output: 240 [2019-08-05 10:44:40,448 WARN L188 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 205 [2019-08-05 10:44:40,452 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,648 WARN L188 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 335 DAG size of output: 229 [2019-08-05 10:44:43,651 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 81 terms [2019-08-05 10:44:43,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,652 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,653 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,654 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,655 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,655 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,655 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,657 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,658 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,658 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-05 10:44:43,659 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,659 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,659 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,660 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:43,660 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:46,764 WARN L188 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 370 DAG size of output: 289 [2019-08-05 10:44:46,769 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:44:50,360 WARN L188 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 415 DAG size of output: 280 [2019-08-05 10:44:50,462 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:44:50,462 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:44:50,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2019-08-05 10:44:50,463 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-08-05 10:44:50,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-08-05 10:44:50,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-08-05 10:44:50,463 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 13 states. Received shutdown request... [2019-08-05 10:44:52,949 WARN L196 SmtUtils]: Removed 33 from assertion stack [2019-08-05 10:44:52,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-08-05 10:44:52,950 WARN L544 AbstractCegarLoop]: Verification canceled [2019-08-05 10:44:52,953 WARN L223 ceAbstractionStarter]: Timeout [2019-08-05 10:44:52,954 INFO L202 PluginConnector]: Adding new model InvariantSum-1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:44:52 BoogieIcfgContainer [2019-08-05 10:44:52,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:44:52,956 INFO L168 Benchmark]: Toolchain (without parser) took 248608.82 ms. Allocated memory was 139.5 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 107.9 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2019-08-05 10:44:52,957 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 10:44:52,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.68 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 106.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 10:44:52,963 INFO L168 Benchmark]: Boogie Preprocessor took 25.64 ms. Allocated memory is still 139.5 MB. Free memory was 106.1 MB in the beginning and 104.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:44:52,963 INFO L168 Benchmark]: RCFGBuilder took 617.31 ms. Allocated memory is still 139.5 MB. Free memory was 104.7 MB in the beginning and 89.5 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-08-05 10:44:52,964 INFO L168 Benchmark]: TraceAbstraction took 247927.39 ms. Allocated memory was 139.5 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 89.3 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2019-08-05 10:44:52,972 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 0.15 ms. Allocated memory is still 139.5 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 33.68 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 106.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.64 ms. Allocated memory is still 139.5 MB. Free memory was 106.1 MB in the beginning and 104.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 617.31 ms. Allocated memory is still 139.5 MB. Free memory was 104.7 MB in the beginning and 89.5 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 247927.39 ms. Allocated memory was 139.5 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 89.3 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 34]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 34). Cancelled while BasicCegarLoop was constructing difference of abstraction (17states) and FLOYD_HOARE automaton (currently 7 states, 13 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 446 for 2351ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 247.8s OverallTime, 20 OverallIterations, 6 TraceHistogramMax, 88.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 49 SDtfs, 54 SDslu, 44 SDs, 0 SdLazy, 767 SolverSat, 110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 217.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 31 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 22.5s SatisfiabilityAnalysisTime, 136.3s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 553523 SizeOfPredicates, 41 NumberOfNonLiveVariables, 640 ConjunctsInSsa, 411 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 20/208 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown