java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/functions1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:45:52,610 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:45:52,612 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:45:52,628 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:45:52,628 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:45:52,629 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:45:52,631 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:45:52,632 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:45:52,634 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:45:52,635 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:45:52,636 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:45:52,636 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:45:52,637 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:45:52,638 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:45:52,641 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:45:52,642 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:45:52,643 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:45:52,647 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:45:52,651 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:45:52,653 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:45:52,655 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:45:52,657 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:45:52,665 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:45:52,665 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:45:52,665 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:45:52,666 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:45:52,669 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:45:52,670 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:45:52,671 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:45:52,672 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:45:52,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:45:52,676 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:45:52,681 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf [2018-07-23 13:45:52,705 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:45:52,706 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:45:52,707 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:45:52,708 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:45:52,708 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:45:52,708 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:45:52,708 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:45:52,709 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:45:52,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:45:52,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:45:52,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:45:52,799 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:45:52,800 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:45:52,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/functions1.i_3.bpl [2018-07-23 13:45:52,801 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/functions1.i_3.bpl' [2018-07-23 13:45:52,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:45:52,873 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:45:52,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:45:52,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:45:52,874 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:45:52,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:52" (1/1) ... [2018-07-23 13:45:52,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:52" (1/1) ... [2018-07-23 13:45:52,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:52" (1/1) ... [2018-07-23 13:45:52,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:52" (1/1) ... [2018-07-23 13:45:52,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:52" (1/1) ... [2018-07-23 13:45:52,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:52" (1/1) ... [2018-07-23 13:45:52,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:52" (1/1) ... [2018-07-23 13:45:52,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:45:52,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:45:52,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:45:52,932 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:45:52,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:52" (1/1) ... [2018-07-23 13:45:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:45:53,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:45:53,218 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:45:53,219 INFO L202 PluginConnector]: Adding new model functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:45:53 BoogieIcfgContainer [2018-07-23 13:45:53,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:45:53,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:45:53,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:45:53,224 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:45:53,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:45:52" (1/2) ... [2018-07-23 13:45:53,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f84efee and model type functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:45:53, skipping insertion in model container [2018-07-23 13:45:53,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:45:53" (2/2) ... [2018-07-23 13:45:53,229 INFO L112 eAbstractionObserver]: Analyzing ICFG functions1.i_3.bpl [2018-07-23 13:45:53,239 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:45:53,247 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:45:53,297 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:45:53,298 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:45:53,298 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:45:53,299 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:45:53,299 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:45:53,299 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:45:53,299 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:45:53,299 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:45:53,300 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:45:53,315 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:45:53,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:45:53,325 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:53,326 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:45:53,326 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:53,333 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 13:45:53,339 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:53,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,454 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:45:53,458 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:45:53,460 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,461 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,462 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:45:53,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:45:53,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:45:53,477 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 13:45:53,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:53,514 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 13:45:53,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:45:53,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 13:45:53,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:53,529 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:45:53,530 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:45:53,533 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:45:53,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:45:53,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:45:53,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:45:53,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:45:53,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 13:45:53,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:53,573 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:45:53,573 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:45:53,574 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:45:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:45:53,574 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:53,575 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 13:45:53,575 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:53,575 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-23 13:45:53,576 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,648 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:53,648 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:45:53,649 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:53,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,649 INFO L185 omatonBuilderFactory]: Interpolants [48#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 49#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 46#true, 47#false] [2018-07-23 13:45:53,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,652 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:45:53,652 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:45:53,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:45:53,653 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-23 13:45:53,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:53,683 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-23 13:45:53,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:45:53,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-23 13:45:53,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:53,685 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:45:53,685 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 13:45:53,687 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:45:53,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 13:45:53,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 13:45:53,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:45:53,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:45:53,691 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-07-23 13:45:53,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:53,691 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:45:53,691 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:45:53,692 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:45:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:45:53,692 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:53,692 INFO L357 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-07-23 13:45:53,693 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:53,693 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-07-23 13:45:53,693 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:53,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,751 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:53,751 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:45:53,751 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,752 INFO L185 omatonBuilderFactory]: Interpolants [90#true, 91#false, 92#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 93#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 94#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,752 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:45:53,753 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:45:53,753 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:45:53,755 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-07-23 13:45:53,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:53,828 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-23 13:45:53,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:45:53,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-07-23 13:45:53,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:53,830 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:45:53,830 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:45:53,833 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:45:53,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:45:53,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:45:53,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:45:53,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:45:53,839 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-07-23 13:45:53,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:53,840 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:45:53,840 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:45:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:45:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:45:53,841 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:53,841 INFO L357 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1] [2018-07-23 13:45:53,842 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:53,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1946815861, now seen corresponding path program 3 times [2018-07-23 13:45:53,842 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,923 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:53,923 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:45:53,923 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,924 INFO L185 omatonBuilderFactory]: Interpolants [144#false, 145#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 146#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 147#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 148#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 143#true] [2018-07-23 13:45:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:53,925 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:45:53,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:45:53,925 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:45:53,926 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 6 states. [2018-07-23 13:45:54,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,003 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-23 13:45:54,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:45:54,009 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-07-23 13:45:54,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,010 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:45:54,010 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:45:54,011 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:45:54,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:45:54,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:45:54,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:45:54,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:45:54,023 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-07-23 13:45:54,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,023 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:45:54,023 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:45:54,024 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:45:54,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:45:54,025 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,025 INFO L357 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1] [2018-07-23 13:45:54,025 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1715646545, now seen corresponding path program 4 times [2018-07-23 13:45:54,026 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,090 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,090 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:45:54,090 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,091 INFO L185 omatonBuilderFactory]: Interpolants [208#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 209#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 210#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 211#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 205#true, 206#false, 207#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:54,092 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,092 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:45:54,092 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:45:54,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:45:54,093 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 7 states. [2018-07-23 13:45:54,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,135 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-23 13:45:54,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:45:54,136 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-07-23 13:45:54,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,137 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:45:54,137 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:45:54,138 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:45:54,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:45:54,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:45:54,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:45:54,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:45:54,144 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-07-23 13:45:54,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,145 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:45:54,145 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:45:54,145 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:45:54,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:45:54,146 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,146 INFO L357 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1] [2018-07-23 13:45:54,147 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,147 INFO L82 PathProgramCache]: Analyzing trace with hash 531164009, now seen corresponding path program 5 times [2018-07-23 13:45:54,147 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,210 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,210 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:45:54,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,211 INFO L185 omatonBuilderFactory]: Interpolants [276#true, 277#false, 278#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 279#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 280#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 281#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 282#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 283#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:54,211 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,211 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:45:54,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:45:54,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:45:54,213 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 8 states. [2018-07-23 13:45:54,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,264 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 13:45:54,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:45:54,266 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-07-23 13:45:54,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,267 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:45:54,267 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:45:54,268 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:45:54,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:45:54,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:45:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:45:54,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:45:54,281 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-07-23 13:45:54,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,282 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:45:54,282 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:45:54,282 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:45:54,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:45:54,283 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,283 INFO L357 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1] [2018-07-23 13:45:54,283 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,284 INFO L82 PathProgramCache]: Analyzing trace with hash -652443485, now seen corresponding path program 6 times [2018-07-23 13:45:54,284 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,350 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,350 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:45:54,351 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,351 INFO L185 omatonBuilderFactory]: Interpolants [356#true, 357#false, 358#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 359#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 360#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 361#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 362#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 363#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 364#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12))] [2018-07-23 13:45:54,352 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,352 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:45:54,352 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:45:54,353 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:45:54,353 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 9 states. [2018-07-23 13:45:54,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,399 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-23 13:45:54,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:45:54,399 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2018-07-23 13:45:54,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,400 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:45:54,400 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:45:54,401 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:45:54,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:45:54,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:45:54,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:45:54,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:45:54,407 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 16 [2018-07-23 13:45:54,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,407 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:45:54,407 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:45:54,408 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:45:54,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:45:54,408 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,408 INFO L357 BasicCegarLoop]: trace histogram [8, 7, 1, 1, 1] [2018-07-23 13:45:54,409 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,409 INFO L82 PathProgramCache]: Analyzing trace with hash 67088221, now seen corresponding path program 7 times [2018-07-23 13:45:54,409 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,495 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,496 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:45:54,496 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,497 INFO L185 omatonBuilderFactory]: Interpolants [448#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 449#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 450#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 451#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 452#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 453#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 454#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 445#true, 446#false, 447#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,500 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:45:54,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:45:54,504 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:45:54,504 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 10 states. [2018-07-23 13:45:54,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,578 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-23 13:45:54,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:45:54,579 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2018-07-23 13:45:54,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,580 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:45:54,580 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:45:54,582 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:45:54,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:45:54,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:45:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:45:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:45:54,594 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 18 [2018-07-23 13:45:54,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,595 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:45:54,595 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:45:54,596 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:45:54,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:45:54,596 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,597 INFO L357 BasicCegarLoop]: trace histogram [9, 8, 1, 1, 1] [2018-07-23 13:45:54,597 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,599 INFO L82 PathProgramCache]: Analyzing trace with hash 47323031, now seen corresponding path program 8 times [2018-07-23 13:45:54,599 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,691 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,691 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,692 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:45:54,692 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,693 INFO L185 omatonBuilderFactory]: Interpolants [544#false, 545#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 546#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 547#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 548#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 549#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 550#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 551#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 552#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 553#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 543#true] [2018-07-23 13:45:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,694 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:45:54,694 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:45:54,698 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:45:54,699 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2018-07-23 13:45:54,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,781 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-07-23 13:45:54,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:45:54,782 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2018-07-23 13:45:54,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,783 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:45:54,783 INFO L226 Difference]: Without dead ends: 23 [2018-07-23 13:45:54,785 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:45:54,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-23 13:45:54,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-23 13:45:54,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:45:54,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:45:54,792 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 20 [2018-07-23 13:45:54,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,793 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:45:54,793 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:45:54,793 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:45:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:45:54,794 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,795 INFO L357 BasicCegarLoop]: trace histogram [10, 9, 1, 1, 1] [2018-07-23 13:45:54,795 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1767155375, now seen corresponding path program 9 times [2018-07-23 13:45:54,796 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,882 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,882 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:45:54,882 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,883 INFO L185 omatonBuilderFactory]: Interpolants [656#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 657#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 658#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 659#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 660#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 661#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 650#true, 651#false, 652#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 653#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 654#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 655#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6))] [2018-07-23 13:45:54,884 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,884 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:45:54,884 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:45:54,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:45:54,885 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 12 states. [2018-07-23 13:45:54,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:54,934 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-07-23 13:45:54,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:45:54,934 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2018-07-23 13:45:54,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:54,935 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:45:54,935 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:45:54,936 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:45:54,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:45:54,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:45:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:45:54,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:45:54,941 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2018-07-23 13:45:54,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:54,942 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:45:54,942 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:45:54,942 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:45:54,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:45:54,943 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:54,943 INFO L357 BasicCegarLoop]: trace histogram [11, 10, 1, 1, 1] [2018-07-23 13:45:54,944 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:54,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1724181365, now seen corresponding path program 10 times [2018-07-23 13:45:54,944 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:55,013 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,013 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:55,014 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:45:55,014 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:55,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,016 INFO L185 omatonBuilderFactory]: Interpolants [768#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 769#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 770#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 771#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 772#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 773#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 774#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 775#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 776#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 777#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 778#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 766#true, 767#false] [2018-07-23 13:45:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,016 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:45:55,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:45:55,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:45:55,018 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 13 states. [2018-07-23 13:45:55,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:55,083 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-07-23 13:45:55,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:45:55,083 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-07-23 13:45:55,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:55,084 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:45:55,085 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:45:55,086 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:45:55,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:45:55,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:45:55,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:45:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:45:55,098 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 24 [2018-07-23 13:45:55,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:55,099 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:45:55,099 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:45:55,101 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:45:55,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:45:55,102 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:55,102 INFO L357 BasicCegarLoop]: trace histogram [12, 11, 1, 1, 1] [2018-07-23 13:45:55,102 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:55,102 INFO L82 PathProgramCache]: Analyzing trace with hash 919136581, now seen corresponding path program 11 times [2018-07-23 13:45:55,102 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,185 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:55,185 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:45:55,185 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:55,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,186 INFO L185 omatonBuilderFactory]: Interpolants [896#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 897#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 898#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 899#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 900#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 901#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 902#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 903#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 904#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 891#true, 892#false, 893#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 894#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 895#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:55,186 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,187 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:45:55,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:45:55,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:45:55,188 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 14 states. [2018-07-23 13:45:55,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:55,247 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-07-23 13:45:55,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:45:55,248 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 26 [2018-07-23 13:45:55,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:55,249 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:45:55,249 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:45:55,250 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:45:55,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:45:55,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:45:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:45:55,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:45:55,256 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 26 [2018-07-23 13:45:55,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:55,256 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:45:55,256 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:45:55,256 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:45:55,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:45:55,257 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:55,257 INFO L357 BasicCegarLoop]: trace histogram [13, 12, 1, 1, 1] [2018-07-23 13:45:55,258 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:55,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1472956545, now seen corresponding path program 12 times [2018-07-23 13:45:55,258 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:55,346 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,346 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:55,347 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:45:55,347 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,348 INFO L185 omatonBuilderFactory]: Interpolants [1025#true, 1026#false, 1027#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 1028#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 1029#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 1030#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 1031#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 1032#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 1033#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 1034#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 1035#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 1036#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 1037#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 1038#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 1039#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24))] [2018-07-23 13:45:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,349 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:45:55,350 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:45:55,350 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:45:55,351 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 15 states. [2018-07-23 13:45:55,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:55,439 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-07-23 13:45:55,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:45:55,439 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2018-07-23 13:45:55,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:55,440 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:45:55,440 INFO L226 Difference]: Without dead ends: 31 [2018-07-23 13:45:55,441 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:45:55,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-23 13:45:55,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-23 13:45:55,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:45:55,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:45:55,452 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 28 [2018-07-23 13:45:55,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:55,452 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:45:55,452 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:45:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:45:55,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:45:55,457 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:55,457 INFO L357 BasicCegarLoop]: trace histogram [14, 13, 1, 1, 1] [2018-07-23 13:45:55,457 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:55,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1828020025, now seen corresponding path program 13 times [2018-07-23 13:45:55,458 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:55,571 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,572 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:55,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:45:55,572 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,573 INFO L185 omatonBuilderFactory]: Interpolants [1168#true, 1169#false, 1170#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 1171#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 1172#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 1173#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 1174#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 1175#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 1176#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 1177#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 1178#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 1179#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 1180#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 1181#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 1182#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 1183#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:55,574 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:45:55,574 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:45:55,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:45:55,575 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 16 states. [2018-07-23 13:45:55,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:55,672 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-07-23 13:45:55,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:45:55,673 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-07-23 13:45:55,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:55,674 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:45:55,674 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:45:55,675 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:45:55,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:45:55,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:45:55,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:45:55,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:45:55,687 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 30 [2018-07-23 13:45:55,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:55,687 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:45:55,687 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:45:55,688 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:45:55,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:45:55,689 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:55,689 INFO L357 BasicCegarLoop]: trace histogram [15, 14, 1, 1, 1] [2018-07-23 13:45:55,689 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:55,691 INFO L82 PathProgramCache]: Analyzing trace with hash 85672051, now seen corresponding path program 14 times [2018-07-23 13:45:55,691 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,823 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:55,824 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:45:55,824 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:55,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,825 INFO L185 omatonBuilderFactory]: Interpolants [1320#true, 1321#false, 1322#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 1323#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 1324#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 1325#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 1326#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 1327#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 1328#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 1329#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 1330#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 1331#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 1332#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 1333#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 1334#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 1335#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 1336#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:55,825 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:55,826 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:45:55,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:45:55,826 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:45:55,829 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 17 states. [2018-07-23 13:45:55,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:55,918 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-07-23 13:45:55,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:45:55,919 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2018-07-23 13:45:55,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:55,920 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:45:55,920 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:45:55,921 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:45:55,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:45:55,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:45:55,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:45:55,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:45:55,929 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 32 [2018-07-23 13:45:55,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:55,929 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:45:55,930 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:45:55,930 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:45:55,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:45:55,932 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:55,932 INFO L357 BasicCegarLoop]: trace histogram [16, 15, 1, 1, 1] [2018-07-23 13:45:55,932 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:55,932 INFO L82 PathProgramCache]: Analyzing trace with hash 726514477, now seen corresponding path program 15 times [2018-07-23 13:45:55,933 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,080 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:56,080 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:45:56,080 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,084 INFO L185 omatonBuilderFactory]: Interpolants [1481#true, 1482#false, 1483#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 1484#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 1485#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 1486#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 1487#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 1488#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 1489#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 1490#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 1491#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 1492#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 1493#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 1494#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 1495#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 1496#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 1497#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 1498#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30))] [2018-07-23 13:45:56,085 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,085 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:45:56,085 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:45:56,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:45:56,086 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 18 states. [2018-07-23 13:45:56,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:56,203 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-07-23 13:45:56,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:45:56,203 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 34 [2018-07-23 13:45:56,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:56,212 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:45:56,213 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:45:56,213 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:45:56,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:45:56,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:45:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:45:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:45:56,221 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 34 [2018-07-23 13:45:56,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:56,222 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:45:56,222 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:45:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:45:56,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:45:56,223 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:56,223 INFO L357 BasicCegarLoop]: trace histogram [17, 16, 1, 1, 1] [2018-07-23 13:45:56,223 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:56,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1899204761, now seen corresponding path program 16 times [2018-07-23 13:45:56,224 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:56,342 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,342 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:56,342 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:45:56,343 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:56,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,344 INFO L185 omatonBuilderFactory]: Interpolants [1664#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 1665#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 1666#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 1667#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 1668#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 1669#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 1651#true, 1652#false, 1653#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 1654#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 1655#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 1656#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 1657#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 1658#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 1659#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 1660#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 1661#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 1662#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 1663#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20))] [2018-07-23 13:45:56,344 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,345 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:45:56,345 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:45:56,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:45:56,346 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 19 states. [2018-07-23 13:45:56,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:56,452 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-07-23 13:45:56,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:45:56,453 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 36 [2018-07-23 13:45:56,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:56,453 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:45:56,453 INFO L226 Difference]: Without dead ends: 39 [2018-07-23 13:45:56,454 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:45:56,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-07-23 13:45:56,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-07-23 13:45:56,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:45:56,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:45:56,461 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 36 [2018-07-23 13:45:56,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:56,461 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:45:56,461 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:45:56,461 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:45:56,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:45:56,462 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:56,462 INFO L357 BasicCegarLoop]: trace histogram [18, 17, 1, 1, 1] [2018-07-23 13:45:56,463 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:56,463 INFO L82 PathProgramCache]: Analyzing trace with hash 225377569, now seen corresponding path program 17 times [2018-07-23 13:45:56,463 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,597 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:56,597 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:45:56,597 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:56,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,598 INFO L185 omatonBuilderFactory]: Interpolants [1830#true, 1831#false, 1832#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 1833#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 1834#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 1835#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 1836#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 1837#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 1838#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 1839#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 1840#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 1841#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 1842#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 1843#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 1844#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 1845#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 1846#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 1847#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 1848#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 1849#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34))] [2018-07-23 13:45:56,599 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,599 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:45:56,599 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:45:56,600 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:45:56,600 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 20 states. [2018-07-23 13:45:56,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:56,731 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-07-23 13:45:56,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:45:56,731 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2018-07-23 13:45:56,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:56,732 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:45:56,732 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:45:56,733 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:45:56,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:45:56,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:45:56,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:45:56,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:45:56,741 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 38 [2018-07-23 13:45:56,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:56,742 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:45:56,742 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:45:56,742 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:45:56,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:45:56,743 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:56,743 INFO L357 BasicCegarLoop]: trace histogram [19, 18, 1, 1, 1] [2018-07-23 13:45:56,743 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:56,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1839531099, now seen corresponding path program 18 times [2018-07-23 13:45:56,744 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:56,897 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,897 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:56,897 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:45:56,898 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,898 INFO L185 omatonBuilderFactory]: Interpolants [2018#true, 2019#false, 2020#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 2021#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 2022#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 2023#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 2024#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 2025#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 2026#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 2027#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 2028#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 2029#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 2030#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 2031#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 2032#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 2033#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 2034#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 2035#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 2036#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 2037#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 2038#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36))] [2018-07-23 13:45:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:56,899 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:45:56,900 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:45:56,900 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:45:56,901 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 21 states. [2018-07-23 13:45:57,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:57,031 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-07-23 13:45:57,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:45:57,033 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2018-07-23 13:45:57,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:57,036 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:45:57,036 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:45:57,037 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:45:57,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:45:57,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:45:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:45:57,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:45:57,044 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 40 [2018-07-23 13:45:57,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:57,045 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:45:57,045 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:45:57,045 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:45:57,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:45:57,046 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:57,046 INFO L357 BasicCegarLoop]: trace histogram [20, 19, 1, 1, 1] [2018-07-23 13:45:57,046 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:57,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1737087723, now seen corresponding path program 19 times [2018-07-23 13:45:57,047 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:57,255 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,255 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:57,256 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:45:57,256 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,257 INFO L185 omatonBuilderFactory]: Interpolants [2215#true, 2216#false, 2217#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 2218#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 2219#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 2220#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 2221#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 2222#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 2223#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 2224#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 2225#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 2226#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 2227#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 2228#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 2229#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 2230#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 2231#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 2232#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 2233#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 2234#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 2235#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 2236#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,261 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:45:57,262 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:45:57,262 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:45:57,262 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 22 states. [2018-07-23 13:45:57,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:57,417 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-07-23 13:45:57,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:45:57,417 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 42 [2018-07-23 13:45:57,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:57,418 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:45:57,418 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:45:57,419 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:45:57,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:45:57,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:45:57,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:45:57,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:45:57,433 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 42 [2018-07-23 13:45:57,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:57,437 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:45:57,437 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:45:57,437 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:45:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:45:57,437 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:57,437 INFO L357 BasicCegarLoop]: trace histogram [21, 20, 1, 1, 1] [2018-07-23 13:45:57,438 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:57,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1401028431, now seen corresponding path program 20 times [2018-07-23 13:45:57,438 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:57,601 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,601 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:57,602 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:45:57,602 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,603 INFO L185 omatonBuilderFactory]: Interpolants [2432#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 2433#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 2434#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 2435#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 2436#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 2437#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 2438#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 2439#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 2440#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 2441#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 2442#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 2443#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 2421#true, 2422#false, 2423#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 2424#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 2425#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 2426#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 2427#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 2428#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 2429#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 2430#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 2431#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:57,603 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,603 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:45:57,604 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:45:57,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:45:57,604 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 23 states. [2018-07-23 13:45:57,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:57,746 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-07-23 13:45:57,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:45:57,747 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 44 [2018-07-23 13:45:57,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:57,747 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:45:57,747 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 13:45:57,748 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:45:57,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 13:45:57,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 13:45:57,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:45:57,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:45:57,756 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 44 [2018-07-23 13:45:57,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:57,757 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:45:57,757 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:45:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:45:57,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:45:57,758 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:57,758 INFO L357 BasicCegarLoop]: trace histogram [22, 21, 1, 1, 1] [2018-07-23 13:45:57,758 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:57,759 INFO L82 PathProgramCache]: Analyzing trace with hash 2063610633, now seen corresponding path program 21 times [2018-07-23 13:45:57,759 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:57,925 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,925 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:57,925 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:45:57,925 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:57,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,926 INFO L185 omatonBuilderFactory]: Interpolants [2656#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 2657#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 2658#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 2659#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 2636#true, 2637#false, 2638#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 2639#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 2640#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 2641#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 2642#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 2643#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 2644#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 2645#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 2646#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 2647#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 2648#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 2649#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 2650#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 2651#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 2652#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 2653#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 2654#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 2655#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34))] [2018-07-23 13:45:57,927 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:57,927 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:45:57,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:45:57,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:45:57,928 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 24 states. [2018-07-23 13:45:58,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:58,091 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-07-23 13:45:58,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:45:58,092 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 46 [2018-07-23 13:45:58,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:58,093 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:45:58,093 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:45:58,096 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:45:58,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:45:58,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:45:58,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:45:58,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:45:58,105 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 46 [2018-07-23 13:45:58,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:58,105 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:45:58,105 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:45:58,106 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:45:58,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:45:58,106 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:58,106 INFO L357 BasicCegarLoop]: trace histogram [23, 22, 1, 1, 1] [2018-07-23 13:45:58,106 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:58,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1145020349, now seen corresponding path program 22 times [2018-07-23 13:45:58,107 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:58,293 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,294 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:58,294 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:45:58,294 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,295 INFO L185 omatonBuilderFactory]: Interpolants [2880#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 2881#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 2882#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 2883#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 2884#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 2860#true, 2861#false, 2862#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 2863#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 2864#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 2865#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 2866#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 2867#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 2868#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 2869#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 2870#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 2871#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 2872#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 2873#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 2874#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 2875#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 2876#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 2877#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 2878#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 2879#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34))] [2018-07-23 13:45:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,296 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:45:58,296 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:45:58,296 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:45:58,297 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 25 states. [2018-07-23 13:45:58,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:58,463 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-07-23 13:45:58,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:45:58,463 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 48 [2018-07-23 13:45:58,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:58,464 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:45:58,465 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:45:58,466 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:45:58,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:45:58,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:45:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:45:58,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:45:58,481 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 48 [2018-07-23 13:45:58,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:58,484 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:45:58,485 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:45:58,485 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:45:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:45:58,485 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:58,485 INFO L357 BasicCegarLoop]: trace histogram [24, 23, 1, 1, 1] [2018-07-23 13:45:58,486 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:58,486 INFO L82 PathProgramCache]: Analyzing trace with hash -852875523, now seen corresponding path program 23 times [2018-07-23 13:45:58,486 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:58,664 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,665 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:58,665 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:45:58,665 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:58,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,666 INFO L185 omatonBuilderFactory]: Interpolants [3093#true, 3094#false, 3095#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 3096#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 3097#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 3098#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 3099#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 3100#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 3101#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 3102#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 3103#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 3104#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 3105#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 3106#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 3107#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 3108#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 3109#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 3110#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 3111#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 3112#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 3113#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 3114#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 3115#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 3116#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 3117#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 3118#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:58,666 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:58,667 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:45:58,667 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:45:58,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:45:58,668 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 26 states. [2018-07-23 13:45:58,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:58,837 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-07-23 13:45:58,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:45:58,838 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 50 [2018-07-23 13:45:58,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:58,838 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:45:58,839 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:45:58,839 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:45:58,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:45:58,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:45:58,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:45:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:45:58,846 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 50 [2018-07-23 13:45:58,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:58,847 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:45:58,847 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:45:58,847 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:45:58,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:45:58,847 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:58,848 INFO L357 BasicCegarLoop]: trace histogram [25, 24, 1, 1, 1] [2018-07-23 13:45:58,848 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:58,848 INFO L82 PathProgramCache]: Analyzing trace with hash 725428023, now seen corresponding path program 24 times [2018-07-23 13:45:58,848 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,063 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:59,063 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:45:59,063 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:59,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,064 INFO L185 omatonBuilderFactory]: Interpolants [3335#true, 3336#false, 3337#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 3338#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 3339#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 3340#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 3341#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 3342#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 3343#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 3344#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 3345#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 3346#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 3347#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 3348#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 3349#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 3350#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 3351#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 3352#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 3353#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 3354#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 3355#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 3356#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 3357#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 3358#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 3359#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 3360#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 3361#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48))] [2018-07-23 13:45:59,064 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,065 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:45:59,065 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:45:59,067 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:45:59,068 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 27 states. [2018-07-23 13:45:59,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:59,250 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-07-23 13:45:59,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:45:59,250 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 52 [2018-07-23 13:45:59,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:59,251 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:45:59,251 INFO L226 Difference]: Without dead ends: 55 [2018-07-23 13:45:59,252 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:45:59,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-07-23 13:45:59,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-07-23 13:45:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:45:59,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:45:59,269 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 52 [2018-07-23 13:45:59,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:59,269 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:45:59,269 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:45:59,270 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:45:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:45:59,270 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:59,270 INFO L357 BasicCegarLoop]: trace histogram [26, 25, 1, 1, 1] [2018-07-23 13:45:59,270 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:59,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1351680241, now seen corresponding path program 25 times [2018-07-23 13:45:59,271 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,461 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:59,462 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:45:59,462 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,462 INFO L185 omatonBuilderFactory]: Interpolants [3586#true, 3587#false, 3588#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 3589#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 3590#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 3591#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 3592#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 3593#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 3594#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 3595#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 3596#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 3597#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 3598#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 3599#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 3600#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 3601#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 3602#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 3603#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 3604#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 3605#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 3606#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 3607#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 3608#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 3609#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 3610#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 3611#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 3612#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 3613#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,463 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:45:59,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:45:59,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:45:59,464 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 28 states. [2018-07-23 13:45:59,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:59,650 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-07-23 13:45:59,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:45:59,650 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 54 [2018-07-23 13:45:59,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:59,651 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:45:59,651 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:45:59,652 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:45:59,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:45:59,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:45:59,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:45:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:45:59,660 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 54 [2018-07-23 13:45:59,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:59,660 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:45:59,660 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:45:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:45:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:45:59,661 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:59,661 INFO L357 BasicCegarLoop]: trace histogram [27, 26, 1, 1, 1] [2018-07-23 13:45:59,661 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:59,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1884640299, now seen corresponding path program 26 times [2018-07-23 13:45:59,661 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,902 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:59,902 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:45:59,903 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,903 INFO L185 omatonBuilderFactory]: Interpolants [3846#true, 3847#false, 3848#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 3849#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 3850#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 3851#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 3852#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 3853#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 3854#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 3855#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 3856#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 3857#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 3858#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 3859#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 3860#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 3861#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 3862#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 3863#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 3864#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 3865#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 3866#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 3867#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 3868#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 3869#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 3870#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 3871#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 3872#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 3873#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 3874#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:59,904 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,905 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:45:59,905 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:45:59,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:45:59,906 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 29 states. [2018-07-23 13:46:00,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:00,152 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-07-23 13:46:00,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:46:00,153 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 56 [2018-07-23 13:46:00,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:00,154 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:46:00,154 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:46:00,155 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:46:00,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:46:00,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:46:00,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:46:00,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:46:00,172 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 56 [2018-07-23 13:46:00,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:00,172 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:46:00,172 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:46:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:46:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:46:00,173 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:00,173 INFO L357 BasicCegarLoop]: trace histogram [28, 27, 1, 1, 1] [2018-07-23 13:46:00,173 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:00,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1336819483, now seen corresponding path program 27 times [2018-07-23 13:46:00,174 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:00,421 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:00,422 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:00,422 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:46:00,422 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:00,423 INFO L185 omatonBuilderFactory]: Interpolants [4115#true, 4116#false, 4117#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 4118#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 4119#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 4120#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 4121#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 4122#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 4123#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 4124#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 4125#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 4126#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 4127#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 4128#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 4129#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 4130#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 4131#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 4132#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 4133#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 4134#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 4135#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 4136#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 4137#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 4138#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 4139#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 4140#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 4141#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 4142#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 4143#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 4144#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54))] [2018-07-23 13:46:00,424 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:00,424 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:46:00,424 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:46:00,425 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:46:00,425 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 30 states. [2018-07-23 13:46:00,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:00,715 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-07-23 13:46:00,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:46:00,715 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 58 [2018-07-23 13:46:00,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:00,716 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:46:00,716 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:46:00,717 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:46:00,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:46:00,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:46:00,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:46:00,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:46:00,730 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 58 [2018-07-23 13:46:00,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:00,730 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:46:00,730 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:46:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:46:00,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:46:00,731 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:00,731 INFO L357 BasicCegarLoop]: trace histogram [29, 28, 1, 1, 1] [2018-07-23 13:46:00,731 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:00,731 INFO L82 PathProgramCache]: Analyzing trace with hash -488249569, now seen corresponding path program 28 times [2018-07-23 13:46:00,731 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,018 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:01,018 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:46:01,018 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:01,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,019 INFO L185 omatonBuilderFactory]: Interpolants [4416#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 4417#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 4418#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 4419#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 4420#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 4421#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 4422#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 4423#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 4393#true, 4394#false, 4395#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 4396#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 4397#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 4398#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 4399#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 4400#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 4401#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 4402#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 4403#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 4404#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 4405#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 4406#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 4407#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 4408#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 4409#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 4410#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 4411#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 4412#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 4413#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 4414#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 4415#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,020 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:46:01,020 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:46:01,021 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:46:01,021 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 31 states. [2018-07-23 13:46:01,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:01,243 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-07-23 13:46:01,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:46:01,243 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 60 [2018-07-23 13:46:01,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:01,244 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:46:01,244 INFO L226 Difference]: Without dead ends: 63 [2018-07-23 13:46:01,245 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:46:01,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-07-23 13:46:01,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-07-23 13:46:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:46:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:46:01,251 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 60 [2018-07-23 13:46:01,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:01,251 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:46:01,251 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:46:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:46:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:46:01,252 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:01,252 INFO L357 BasicCegarLoop]: trace histogram [30, 29, 1, 1, 1] [2018-07-23 13:46:01,253 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:01,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1056348455, now seen corresponding path program 29 times [2018-07-23 13:46:01,253 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,460 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:01,460 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:46:01,460 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:01,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,461 INFO L185 omatonBuilderFactory]: Interpolants [4680#true, 4681#false, 4682#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 4683#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 4684#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 4685#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 4686#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 4687#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 4688#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 4689#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 4690#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 4691#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 4692#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 4693#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 4694#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 4695#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 4696#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 4697#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 4698#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 4699#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 4700#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 4701#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 4702#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 4703#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 4704#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 4705#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 4706#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 4707#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 4708#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 4709#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 4710#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 4711#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58))] [2018-07-23 13:46:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,462 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:46:01,463 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:46:01,463 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:46:01,463 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 32 states. [2018-07-23 13:46:01,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:01,677 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-07-23 13:46:01,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:46:01,678 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 62 [2018-07-23 13:46:01,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:01,678 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:46:01,679 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:46:01,680 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:46:01,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:46:01,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:46:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:46:01,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:46:01,685 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 62 [2018-07-23 13:46:01,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:01,686 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:46:01,686 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:46:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:46:01,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:46:01,686 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:01,687 INFO L357 BasicCegarLoop]: trace histogram [31, 30, 1, 1, 1] [2018-07-23 13:46:01,687 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:01,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1538531309, now seen corresponding path program 30 times [2018-07-23 13:46:01,687 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,895 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:01,895 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:46:01,895 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,896 INFO L185 omatonBuilderFactory]: Interpolants [4992#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 4993#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 4994#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 4995#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 4996#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 4997#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 4998#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 4999#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 5000#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 5001#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 5002#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 5003#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 5004#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 5005#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 5006#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 5007#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 5008#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 4976#true, 4977#false, 4978#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 4979#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 4980#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 4981#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 4982#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 4983#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 4984#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 4985#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 4986#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 4987#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 4988#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 4989#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 4990#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 4991#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:01,897 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:01,897 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:46:01,897 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:46:01,897 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:46:01,898 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 33 states. [2018-07-23 13:46:02,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:02,120 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-07-23 13:46:02,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:46:02,121 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 64 [2018-07-23 13:46:02,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:02,121 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:46:02,121 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:46:02,122 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:46:02,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:46:02,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:46:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:46:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:46:02,127 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 64 [2018-07-23 13:46:02,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:02,128 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:46:02,128 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:46:02,128 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:46:02,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:46:02,128 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:02,128 INFO L357 BasicCegarLoop]: trace histogram [32, 31, 1, 1, 1] [2018-07-23 13:46:02,129 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:02,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1059786035, now seen corresponding path program 31 times [2018-07-23 13:46:02,129 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:02,355 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,355 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:02,355 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:46:02,355 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,356 INFO L185 omatonBuilderFactory]: Interpolants [5312#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 5313#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 5314#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 5281#true, 5282#false, 5283#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 5284#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 5285#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 5286#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 5287#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 5288#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 5289#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 5290#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 5291#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 5292#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 5293#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 5294#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 5295#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 5296#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 5297#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 5298#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 5299#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 5300#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 5301#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 5302#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 5303#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 5304#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 5305#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 5306#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 5307#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 5308#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 5309#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 5310#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 5311#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:02,357 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,357 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:46:02,357 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:46:02,358 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:46:02,358 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 34 states. [2018-07-23 13:46:02,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:02,599 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-07-23 13:46:02,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:46:02,600 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 66 [2018-07-23 13:46:02,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:02,600 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:46:02,601 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:46:02,601 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:46:02,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:46:02,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:46:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:46:02,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:46:02,606 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 66 [2018-07-23 13:46:02,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:02,607 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:46:02,607 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:46:02,607 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:46:02,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:46:02,607 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:02,608 INFO L357 BasicCegarLoop]: trace histogram [33, 32, 1, 1, 1] [2018-07-23 13:46:02,608 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:02,608 INFO L82 PathProgramCache]: Analyzing trace with hash -547078393, now seen corresponding path program 32 times [2018-07-23 13:46:02,608 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,883 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:02,883 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:46:02,883 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:02,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,884 INFO L185 omatonBuilderFactory]: Interpolants [5595#true, 5596#false, 5597#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 5598#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 5599#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 5600#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 5601#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 5602#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 5603#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 5604#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 5605#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 5606#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 5607#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 5608#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 5609#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 5610#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 5611#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 5612#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 5613#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 5614#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 5615#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 5616#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 5617#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 5618#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 5619#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 5620#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 5621#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 5622#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 5623#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 5624#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 5625#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 5626#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 5627#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 5628#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 5629#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:02,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:02,887 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:46:02,887 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:46:02,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:46:02,888 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 35 states. [2018-07-23 13:46:03,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:03,137 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-07-23 13:46:03,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:46:03,138 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 68 [2018-07-23 13:46:03,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:03,139 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:46:03,139 INFO L226 Difference]: Without dead ends: 71 [2018-07-23 13:46:03,140 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:46:03,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-07-23 13:46:03,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-07-23 13:46:03,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:46:03,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:46:03,148 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 68 [2018-07-23 13:46:03,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:03,148 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:46:03,148 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:46:03,148 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:46:03,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:46:03,149 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:03,149 INFO L357 BasicCegarLoop]: trace histogram [34, 33, 1, 1, 1] [2018-07-23 13:46:03,149 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:03,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1756273471, now seen corresponding path program 33 times [2018-07-23 13:46:03,150 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:03,481 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:03,481 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:46:03,481 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:03,482 INFO L185 omatonBuilderFactory]: Interpolants [5952#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 5953#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 5918#true, 5919#false, 5920#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 5921#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 5922#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 5923#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 5924#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 5925#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 5926#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 5927#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 5928#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 5929#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 5930#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 5931#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 5932#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 5933#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 5934#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 5935#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 5936#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 5937#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 5938#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 5939#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 5940#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 5941#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 5942#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 5943#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 5944#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 5945#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 5946#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 5947#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 5948#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 5949#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 5950#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 5951#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:03,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:03,484 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:46:03,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:46:03,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=1191, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:46:03,487 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 36 states. [2018-07-23 13:46:03,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:03,796 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-07-23 13:46:03,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:46:03,797 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 70 [2018-07-23 13:46:03,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:03,798 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:46:03,798 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:46:03,799 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=1191, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:46:03,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:46:03,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:46:03,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:46:03,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:46:03,806 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 70 [2018-07-23 13:46:03,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:03,806 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:46:03,806 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:46:03,807 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:46:03,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:46:03,807 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:03,808 INFO L357 BasicCegarLoop]: trace histogram [35, 34, 1, 1, 1] [2018-07-23 13:46:03,808 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:03,811 INFO L82 PathProgramCache]: Analyzing trace with hash 143393787, now seen corresponding path program 34 times [2018-07-23 13:46:03,812 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,141 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:04,142 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:46:04,142 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,142 INFO L185 omatonBuilderFactory]: Interpolants [6272#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 6273#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 6274#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 6275#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 6276#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 6277#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 6278#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 6279#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 6280#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 6281#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 6282#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 6283#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 6284#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 6285#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 6286#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 6250#true, 6251#false, 6252#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 6253#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 6254#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 6255#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 6256#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 6257#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 6258#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 6259#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 6260#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 6261#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 6262#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 6263#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 6264#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 6265#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 6266#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 6267#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 6268#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 6269#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 6270#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 6271#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:04,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,143 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:46:04,143 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:46:04,144 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:46:04,144 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 37 states. [2018-07-23 13:46:04,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:04,414 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-07-23 13:46:04,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:46:04,414 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 72 [2018-07-23 13:46:04,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:04,415 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:46:04,415 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:46:04,416 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:46:04,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:46:04,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:46:04,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:46:04,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:46:04,423 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 72 [2018-07-23 13:46:04,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:04,423 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:46:04,423 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:46:04,423 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:46:04,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:46:04,424 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:04,424 INFO L357 BasicCegarLoop]: trace histogram [36, 35, 1, 1, 1] [2018-07-23 13:46:04,424 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:04,425 INFO L82 PathProgramCache]: Analyzing trace with hash 362527925, now seen corresponding path program 35 times [2018-07-23 13:46:04,425 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:04,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,656 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:04,656 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:46:04,656 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,660 INFO L185 omatonBuilderFactory]: Interpolants [6592#false, 6593#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 6594#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 6595#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 6596#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 6597#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 6598#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 6599#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 6600#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 6601#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 6602#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 6603#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 6604#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 6605#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 6606#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 6607#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 6608#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 6609#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 6610#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 6611#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 6612#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 6613#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 6614#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 6615#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 6616#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 6617#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 6618#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 6619#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 6620#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 6621#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 6622#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 6623#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 6624#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 6625#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 6626#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 6627#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 6628#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 6591#true] [2018-07-23 13:46:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,660 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:46:04,661 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:46:04,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:46:04,663 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 38 states. [2018-07-23 13:46:04,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:04,933 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-07-23 13:46:04,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:46:04,933 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 74 [2018-07-23 13:46:04,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:04,934 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:46:04,934 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:46:04,935 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:46:04,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:46:04,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:46:04,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:46:04,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:46:04,941 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 74 [2018-07-23 13:46:04,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:04,941 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:46:04,941 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:46:04,942 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:46:04,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:46:04,942 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:04,942 INFO L357 BasicCegarLoop]: trace histogram [37, 36, 1, 1, 1] [2018-07-23 13:46:04,943 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:04,943 INFO L82 PathProgramCache]: Analyzing trace with hash 497037039, now seen corresponding path program 36 times [2018-07-23 13:46:04,943 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:05,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,195 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:05,195 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:46:05,195 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,196 INFO L185 omatonBuilderFactory]: Interpolants [6976#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 6977#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 6978#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 6979#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 6941#true, 6942#false, 6943#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 6944#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 6945#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 6946#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 6947#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 6948#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 6949#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 6950#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 6951#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 6952#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 6953#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 6954#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 6955#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 6956#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 6957#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 6958#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 6959#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 6960#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 6961#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 6962#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 6963#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 6964#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 6965#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 6966#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 6967#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 6968#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 6969#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 6970#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 6971#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 6972#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 6973#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 6974#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 6975#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:05,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,197 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:46:05,197 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:46:05,197 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:46:05,198 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 39 states. [2018-07-23 13:46:05,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:05,478 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-07-23 13:46:05,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:46:05,479 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 76 [2018-07-23 13:46:05,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:05,480 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:46:05,480 INFO L226 Difference]: Without dead ends: 79 [2018-07-23 13:46:05,481 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:46:05,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-07-23 13:46:05,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-07-23 13:46:05,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:46:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:46:05,486 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 76 [2018-07-23 13:46:05,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:05,487 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:46:05,487 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:46:05,487 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:46:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:46:05,494 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:05,494 INFO L357 BasicCegarLoop]: trace histogram [38, 37, 1, 1, 1] [2018-07-23 13:46:05,494 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:05,494 INFO L82 PathProgramCache]: Analyzing trace with hash 911276713, now seen corresponding path program 37 times [2018-07-23 13:46:05,495 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,748 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:05,748 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:46:05,749 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:05,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,749 INFO L185 omatonBuilderFactory]: Interpolants [7300#true, 7301#false, 7302#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 7303#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 7304#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 7305#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 7306#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 7307#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 7308#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 7309#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 7310#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 7311#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 7312#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 7313#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 7314#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 7315#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 7316#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 7317#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 7318#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 7319#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 7320#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 7321#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 7322#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 7323#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 7324#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 7325#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 7326#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 7327#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 7328#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 7329#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 7330#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 7331#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 7332#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 7333#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 7334#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 7335#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 7336#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 7337#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 7338#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 7339#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:05,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:05,750 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:46:05,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:46:05,751 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:46:05,752 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 40 states. [2018-07-23 13:46:06,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:06,054 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-07-23 13:46:06,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:46:06,055 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 78 [2018-07-23 13:46:06,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:06,056 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:46:06,056 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:46:06,057 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:46:06,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:46:06,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:46:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:46:06,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:46:06,064 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 78 [2018-07-23 13:46:06,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:06,065 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:46:06,065 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:46:06,065 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:46:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:46:06,066 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:06,066 INFO L357 BasicCegarLoop]: trace histogram [39, 38, 1, 1, 1] [2018-07-23 13:46:06,066 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:06,066 INFO L82 PathProgramCache]: Analyzing trace with hash -436355101, now seen corresponding path program 38 times [2018-07-23 13:46:06,067 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:06,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,343 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:06,343 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:46:06,344 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:06,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,344 INFO L185 omatonBuilderFactory]: Interpolants [7680#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 7681#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 7682#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 7683#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 7684#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 7685#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 7686#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 7687#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 7688#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 7689#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 7690#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 7691#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 7692#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 7693#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 7694#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 7695#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 7696#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 7697#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 7698#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 7699#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 7700#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 7701#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 7702#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 7703#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 7704#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 7705#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 7706#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 7707#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 7708#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 7668#true, 7669#false, 7670#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 7671#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 7672#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 7673#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 7674#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 7675#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 7676#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 7677#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 7678#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 7679#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:06,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,345 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:46:06,345 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:46:06,346 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:46:06,346 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 41 states. [2018-07-23 13:46:06,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:06,657 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-07-23 13:46:06,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:46:06,658 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 80 [2018-07-23 13:46:06,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:06,659 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:46:06,659 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:46:06,660 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:46:06,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:46:06,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:46:06,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:46:06,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:46:06,667 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 80 [2018-07-23 13:46:06,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:06,668 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:46:06,668 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:46:06,668 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:46:06,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:46:06,669 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:06,670 INFO L357 BasicCegarLoop]: trace histogram [40, 39, 1, 1, 1] [2018-07-23 13:46:06,670 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:06,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1569595037, now seen corresponding path program 39 times [2018-07-23 13:46:06,670 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,962 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:06,963 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:46:06,963 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,964 INFO L185 omatonBuilderFactory]: Interpolants [8064#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 8065#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 8066#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 8067#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 8068#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 8069#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 8070#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 8071#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 8072#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 8073#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 8074#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 8075#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 8076#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 8077#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 8078#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 8079#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 8080#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 8081#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 8082#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 8083#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 8084#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 8085#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 8086#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 8045#true, 8046#false, 8047#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 8048#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 8049#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 8050#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 8051#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 8052#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 8053#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 8054#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 8055#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 8056#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 8057#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 8058#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 8059#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 8060#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 8061#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 8062#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 8063#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:06,964 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:46:06,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:46:06,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:46:06,966 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 42 states. [2018-07-23 13:46:07,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:07,354 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-07-23 13:46:07,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:46:07,354 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 82 [2018-07-23 13:46:07,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:07,355 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:46:07,355 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:46:07,357 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:46:07,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:46:07,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:46:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:46:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:46:07,364 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 82 [2018-07-23 13:46:07,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:07,365 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:46:07,365 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:46:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:46:07,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:46:07,366 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:07,366 INFO L357 BasicCegarLoop]: trace histogram [41, 40, 1, 1, 1] [2018-07-23 13:46:07,367 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:07,368 INFO L82 PathProgramCache]: Analyzing trace with hash 847361751, now seen corresponding path program 40 times [2018-07-23 13:46:07,368 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:07,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:07,716 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:07,719 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:46:07,720 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:07,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:07,720 INFO L185 omatonBuilderFactory]: Interpolants [8448#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 8449#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 8450#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 8451#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 8452#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 8453#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 8454#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 8455#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 8456#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 8457#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 8458#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 8459#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 8460#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 8461#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 8462#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 8463#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 8464#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 8465#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 8466#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 8467#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 8468#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 8469#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 8470#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 8471#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 8472#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 8473#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 8431#true, 8432#false, 8433#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 8434#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 8435#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 8436#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 8437#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 8438#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 8439#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 8440#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 8441#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 8442#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 8443#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 8444#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 8445#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 8446#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 8447#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:07,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:07,721 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:46:07,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:46:07,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:46:07,722 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 43 states. [2018-07-23 13:46:08,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:08,052 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-07-23 13:46:08,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:46:08,056 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 84 [2018-07-23 13:46:08,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:08,057 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:46:08,057 INFO L226 Difference]: Without dead ends: 87 [2018-07-23 13:46:08,058 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:46:08,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-23 13:46:08,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-07-23 13:46:08,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:46:08,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:46:08,065 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 84 [2018-07-23 13:46:08,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:08,066 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:46:08,066 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:46:08,066 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:46:08,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:46:08,067 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:08,067 INFO L357 BasicCegarLoop]: trace histogram [42, 41, 1, 1, 1] [2018-07-23 13:46:08,067 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:08,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1729091439, now seen corresponding path program 41 times [2018-07-23 13:46:08,068 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:08,348 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:08,348 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:46:08,348 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:08,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:08,349 INFO L185 omatonBuilderFactory]: Interpolants [8832#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 8833#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 8834#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 8835#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 8836#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 8837#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 8838#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 8839#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 8840#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 8841#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 8842#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 8843#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 8844#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 8845#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 8846#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 8847#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 8848#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 8849#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 8850#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 8851#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 8852#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 8853#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 8854#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 8855#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 8856#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 8857#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 8858#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 8859#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 8860#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 8861#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 8862#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 8863#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 8864#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 8865#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 8866#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 8867#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 8868#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 8869#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 8826#true, 8827#false, 8828#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 8829#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 8830#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 8831#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6))] [2018-07-23 13:46:08,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:08,350 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:46:08,350 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:46:08,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1807, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:46:08,351 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 44 states. [2018-07-23 13:46:08,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:08,709 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-07-23 13:46:08,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:46:08,709 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 86 [2018-07-23 13:46:08,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:08,710 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:46:08,711 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:46:08,712 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=1807, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:46:08,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:46:08,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:46:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:46:08,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:46:08,719 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 86 [2018-07-23 13:46:08,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:08,719 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:46:08,719 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:46:08,720 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:46:08,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:46:08,720 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:08,721 INFO L357 BasicCegarLoop]: trace histogram [43, 42, 1, 1, 1] [2018-07-23 13:46:08,721 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:08,721 INFO L82 PathProgramCache]: Analyzing trace with hash 495522763, now seen corresponding path program 42 times [2018-07-23 13:46:08,721 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:09,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,022 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:09,023 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:46:09,023 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:09,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,024 INFO L185 omatonBuilderFactory]: Interpolants [9230#true, 9231#false, 9232#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 9233#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 9234#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 9235#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 9236#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 9237#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 9238#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 9239#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 9240#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 9241#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 9242#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 9243#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 9244#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 9245#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 9246#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 9247#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 9248#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 9249#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 9250#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 9251#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 9252#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 9253#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 9254#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 9255#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 9256#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 9257#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 9258#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 9259#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 9260#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 9261#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 9262#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 9263#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 9264#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 9265#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 9266#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 9267#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 9268#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 9269#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 9270#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 9271#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 9272#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 9273#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 9274#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84))] [2018-07-23 13:46:09,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,024 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:46:09,025 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:46:09,025 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:46:09,026 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 45 states. [2018-07-23 13:46:09,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:09,386 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-07-23 13:46:09,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:46:09,386 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 88 [2018-07-23 13:46:09,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:09,387 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:46:09,387 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:46:09,388 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:46:09,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:46:09,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:46:09,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:46:09,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:46:09,397 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 88 [2018-07-23 13:46:09,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:09,397 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:46:09,397 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:46:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:46:09,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:46:09,399 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:09,400 INFO L357 BasicCegarLoop]: trace histogram [44, 43, 1, 1, 1] [2018-07-23 13:46:09,400 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:09,400 INFO L82 PathProgramCache]: Analyzing trace with hash -543942523, now seen corresponding path program 43 times [2018-07-23 13:46:09,400 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:09,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,690 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:09,690 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:46:09,691 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,692 INFO L185 omatonBuilderFactory]: Interpolants [9664#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 9665#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 9666#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 9667#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 9668#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 9669#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 9670#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 9671#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 9672#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 9673#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 9674#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 9675#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 9676#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 9677#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 9678#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 9679#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 9680#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 9681#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 9682#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 9683#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 9684#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 9685#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 9686#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 9687#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 9688#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 9643#true, 9644#false, 9645#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 9646#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 9647#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 9648#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 9649#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 9650#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 9651#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 9652#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 9653#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 9654#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 9655#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 9656#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 9657#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 9658#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 9659#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 9660#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 9661#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 9662#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 9663#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36))] [2018-07-23 13:46:09,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:09,693 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:46:09,693 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:46:09,694 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:46:09,694 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 46 states. [2018-07-23 13:46:10,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:10,074 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-07-23 13:46:10,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:46:10,074 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 90 [2018-07-23 13:46:10,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:10,076 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:46:10,076 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:46:10,077 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:46:10,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:46:10,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:46:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:46:10,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:46:10,085 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 90 [2018-07-23 13:46:10,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:10,085 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:46:10,085 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:46:10,085 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:46:10,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:46:10,086 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:10,086 INFO L357 BasicCegarLoop]: trace histogram [45, 44, 1, 1, 1] [2018-07-23 13:46:10,087 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:10,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1257297599, now seen corresponding path program 44 times [2018-07-23 13:46:10,087 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:10,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:10,399 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:10,399 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:46:10,400 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:10,400 INFO L185 omatonBuilderFactory]: Interpolants [10065#true, 10066#false, 10067#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 10068#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 10069#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 10070#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 10071#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 10072#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 10073#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 10074#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 10075#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 10076#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 10077#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 10078#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 10079#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 10080#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 10081#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 10082#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 10083#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 10084#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 10085#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 10086#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 10087#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 10088#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 10089#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 10090#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 10091#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 10092#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 10093#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 10094#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 10095#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 10096#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 10097#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 10098#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 10099#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 10100#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 10101#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 10102#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 10103#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 10104#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 10105#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 10106#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 10107#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 10108#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 10109#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 10110#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 10111#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88))] [2018-07-23 13:46:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:10,401 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:46:10,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:46:10,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:46:10,403 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 47 states. [2018-07-23 13:46:10,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:10,783 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-07-23 13:46:10,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:46:10,783 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 92 [2018-07-23 13:46:10,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:10,784 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:46:10,784 INFO L226 Difference]: Without dead ends: 95 [2018-07-23 13:46:10,785 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:46:10,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-07-23 13:46:10,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-07-23 13:46:10,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:46:10,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:46:10,793 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 92 [2018-07-23 13:46:10,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:10,794 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:46:10,794 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:46:10,794 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:46:10,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:46:10,795 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:10,795 INFO L357 BasicCegarLoop]: trace histogram [46, 45, 1, 1, 1] [2018-07-23 13:46:10,795 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:10,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1377234553, now seen corresponding path program 45 times [2018-07-23 13:46:10,796 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:11,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,131 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:11,131 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:46:11,131 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,132 INFO L185 omatonBuilderFactory]: Interpolants [10496#true, 10497#false, 10498#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 10499#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 10500#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 10501#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 10502#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 10503#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 10504#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 10505#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 10506#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 10507#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 10508#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 10509#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 10510#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 10511#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 10512#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 10513#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 10514#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 10515#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 10516#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 10517#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 10518#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 10519#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 10520#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 10521#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 10522#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 10523#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 10524#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 10525#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 10526#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 10527#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 10528#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 10529#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 10530#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 10531#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 10532#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 10533#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 10534#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 10535#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 10536#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 10537#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 10538#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 10539#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 10540#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 10541#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 10542#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 10543#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90))] [2018-07-23 13:46:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,133 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:46:11,133 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:46:11,133 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:46:11,134 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 48 states. [2018-07-23 13:46:11,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:11,512 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-07-23 13:46:11,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:46:11,512 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 94 [2018-07-23 13:46:11,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:11,513 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:46:11,513 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:46:11,514 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:46:11,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:46:11,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:46:11,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:46:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:46:11,521 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 94 [2018-07-23 13:46:11,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:11,521 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:46:11,522 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:46:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:46:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:46:11,522 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:11,523 INFO L357 BasicCegarLoop]: trace histogram [47, 46, 1, 1, 1] [2018-07-23 13:46:11,523 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:11,523 INFO L82 PathProgramCache]: Analyzing trace with hash 672530355, now seen corresponding path program 46 times [2018-07-23 13:46:11,523 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,822 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:11,822 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:46:11,822 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,823 INFO L185 omatonBuilderFactory]: Interpolants [10936#true, 10937#false, 10938#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 10939#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 10940#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 10941#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 10942#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 10943#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 10944#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 10945#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 10946#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 10947#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 10948#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 10949#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 10950#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 10951#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 10952#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 10953#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 10954#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 10955#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 10956#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 10957#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 10958#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 10959#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 10960#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 10961#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 10962#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 10963#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 10964#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 10965#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 10966#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 10967#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 10968#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 10969#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 10970#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 10971#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 10972#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 10973#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 10974#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 10975#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 10976#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 10977#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 10978#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 10979#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 10980#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 10981#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 10982#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 10983#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 10984#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92))] [2018-07-23 13:46:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:11,824 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:46:11,824 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:46:11,824 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:46:11,825 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 49 states. [2018-07-23 13:46:12,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:12,224 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-07-23 13:46:12,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:46:12,224 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 96 [2018-07-23 13:46:12,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:12,225 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:46:12,225 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:46:12,226 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:46:12,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:46:12,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:46:12,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:46:12,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:46:12,235 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 96 [2018-07-23 13:46:12,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:12,236 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:46:12,236 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:46:12,236 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:46:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:46:12,237 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:12,237 INFO L357 BasicCegarLoop]: trace histogram [48, 47, 1, 1, 1] [2018-07-23 13:46:12,237 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:12,237 INFO L82 PathProgramCache]: Analyzing trace with hash 2056628845, now seen corresponding path program 47 times [2018-07-23 13:46:12,237 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:12,555 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:12,555 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:46:12,556 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:12,556 INFO L185 omatonBuilderFactory]: Interpolants [11392#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 11393#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 11394#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 11395#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 11396#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 11397#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 11398#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 11399#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 11400#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 11401#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 11402#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 11403#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 11404#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 11405#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 11406#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 11407#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 11408#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 11409#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 11410#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 11411#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 11412#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 11413#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 11414#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 11415#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 11416#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 11417#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 11418#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 11419#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 11420#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 11421#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 11422#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 11423#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 11424#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 11425#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 11426#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 11427#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 11428#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 11429#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 11430#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 11431#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 11432#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 11433#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 11434#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 11385#true, 11386#false, 11387#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 11388#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 11389#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 11390#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 11391#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:12,557 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:46:12,557 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:46:12,558 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=2353, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:46:12,558 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 50 states. [2018-07-23 13:46:12,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:12,974 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-07-23 13:46:12,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:46:12,975 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 98 [2018-07-23 13:46:12,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:12,976 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:46:12,976 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:46:12,977 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=2353, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:46:12,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:46:12,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:46:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:46:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:46:12,987 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 98 [2018-07-23 13:46:12,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:12,987 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:46:12,987 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:46:12,987 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:46:12,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:46:12,988 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:12,989 INFO L357 BasicCegarLoop]: trace histogram [49, 48, 1, 1, 1] [2018-07-23 13:46:12,989 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:12,989 INFO L82 PathProgramCache]: Analyzing trace with hash 735415975, now seen corresponding path program 48 times [2018-07-23 13:46:12,989 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:13,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:13,319 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:13,319 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:46:13,319 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:13,320 INFO L185 omatonBuilderFactory]: Interpolants [11843#true, 11844#false, 11845#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 11846#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 11847#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 11848#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 11849#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 11850#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 11851#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 11852#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 11853#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 11854#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 11855#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 11856#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 11857#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 11858#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 11859#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 11860#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 11861#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 11862#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 11863#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 11864#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 11865#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 11866#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 11867#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 11868#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 11869#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 11870#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 11871#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 11872#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 11873#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 11874#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 11875#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 11876#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 11877#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 11878#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 11879#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 11880#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 11881#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 11882#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 11883#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 11884#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 11885#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 11886#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 11887#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 11888#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 11889#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 11890#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 11891#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 11892#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 11893#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:13,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:13,321 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:46:13,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:46:13,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:46:13,322 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 51 states. [2018-07-23 13:46:13,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:13,737 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-07-23 13:46:13,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:46:13,737 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 100 [2018-07-23 13:46:13,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:13,738 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:46:13,738 INFO L226 Difference]: Without dead ends: 103 [2018-07-23 13:46:13,740 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:46:13,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-07-23 13:46:13,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-07-23 13:46:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:46:13,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:46:13,747 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 100 [2018-07-23 13:46:13,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:13,747 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:46:13,748 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:46:13,748 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:46:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:46:13,749 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:13,749 INFO L357 BasicCegarLoop]: trace histogram [50, 49, 1, 1, 1] [2018-07-23 13:46:13,749 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:13,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1934799775, now seen corresponding path program 49 times [2018-07-23 13:46:13,750 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:14,130 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:14,130 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:46:14,131 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:14,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:14,132 INFO L185 omatonBuilderFactory]: Interpolants [12310#true, 12311#false, 12312#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 12313#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 12314#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 12315#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 12316#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 12317#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 12318#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 12319#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 12320#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 12321#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 12322#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 12323#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 12324#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 12325#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 12326#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 12327#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 12328#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 12329#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 12330#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 12331#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 12332#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 12333#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 12334#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 12335#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 12336#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 12337#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 12338#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 12339#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 12340#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 12341#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 12342#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 12343#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 12344#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 12345#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 12346#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 12347#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 12348#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 12349#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 12350#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 12351#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 12352#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 12353#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 12354#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 12355#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 12356#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 12357#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 12358#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 12359#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 12360#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 12361#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:14,133 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:46:14,133 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:46:14,135 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=2551, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:46:14,135 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 52 states. [2018-07-23 13:46:14,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:14,631 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-07-23 13:46:14,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:46:14,632 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 102 [2018-07-23 13:46:14,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:14,633 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:46:14,633 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:46:14,634 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=2551, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:46:14,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:46:14,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:46:14,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:46:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:46:14,641 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 102 [2018-07-23 13:46:14,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:14,642 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:46:14,642 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:46:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:46:14,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:46:14,643 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:14,643 INFO L357 BasicCegarLoop]: trace histogram [51, 50, 1, 1, 1] [2018-07-23 13:46:14,643 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:14,643 INFO L82 PathProgramCache]: Analyzing trace with hash 378307483, now seen corresponding path program 50 times [2018-07-23 13:46:14,644 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:14,948 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:14,948 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:46:14,949 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:14,949 INFO L185 omatonBuilderFactory]: Interpolants [12800#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 12801#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 12802#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 12803#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 12804#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 12805#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 12806#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 12807#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 12808#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 12809#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 12810#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 12811#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 12812#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 12813#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 12814#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 12815#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 12816#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 12817#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 12818#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 12819#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 12820#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 12821#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 12822#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 12823#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 12824#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 12825#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 12826#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 12827#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 12828#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 12829#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 12830#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 12831#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 12832#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 12833#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 12834#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 12835#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 12836#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 12837#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 12838#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 12786#true, 12787#false, 12788#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 12789#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 12790#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 12791#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 12792#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 12793#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 12794#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 12795#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 12796#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 12797#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 12798#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 12799#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:14,950 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:46:14,951 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:46:14,951 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:46:14,952 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 53 states. [2018-07-23 13:46:15,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:15,361 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:46:15,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:46:15,362 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 104 [2018-07-23 13:46:15,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:15,363 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:46:15,363 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:46:15,364 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:46:15,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:46:15,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:46:15,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:46:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:46:15,375 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 104 [2018-07-23 13:46:15,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:15,376 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:46:15,376 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:46:15,376 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:46:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:46:15,377 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:15,377 INFO L357 BasicCegarLoop]: trace histogram [52, 51, 1, 1, 1] [2018-07-23 13:46:15,377 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:15,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1518676907, now seen corresponding path program 51 times [2018-07-23 13:46:15,379 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:15,674 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:15,674 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:46:15,674 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:15,675 INFO L185 omatonBuilderFactory]: Interpolants [13312#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 13313#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 13314#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 13315#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 13316#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 13317#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 13318#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 13319#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 13320#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 13321#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 13322#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 13323#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 13324#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 13271#true, 13272#false, 13273#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 13274#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 13275#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 13276#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 13277#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 13278#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 13279#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 13280#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 13281#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 13282#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 13283#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 13284#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 13285#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 13286#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 13287#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 13288#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 13289#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 13290#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 13291#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 13292#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 13293#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 13294#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 13295#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 13296#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 13297#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 13298#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 13299#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 13300#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 13301#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 13302#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 13303#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 13304#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 13305#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 13306#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 13307#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 13308#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 13309#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 13310#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 13311#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76))] [2018-07-23 13:46:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:15,676 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:46:15,676 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:46:15,676 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:46:15,677 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 54 states. [2018-07-23 13:46:16,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:16,086 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:46:16,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:46:16,086 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 106 [2018-07-23 13:46:16,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:16,087 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:46:16,087 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:46:16,088 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:46:16,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:46:16,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:46:16,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:46:16,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:46:16,095 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 106 [2018-07-23 13:46:16,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:16,095 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:46:16,095 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:46:16,095 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:46:16,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:46:16,096 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:16,096 INFO L357 BasicCegarLoop]: trace histogram [53, 52, 1, 1, 1] [2018-07-23 13:46:16,096 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:16,097 INFO L82 PathProgramCache]: Analyzing trace with hash 840425103, now seen corresponding path program 52 times [2018-07-23 13:46:16,097 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:16,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:16,407 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:16,408 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:46:16,408 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:16,409 INFO L185 omatonBuilderFactory]: Interpolants [13765#true, 13766#false, 13767#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 13768#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 13769#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 13770#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 13771#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 13772#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 13773#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 13774#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 13775#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 13776#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 13777#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 13778#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 13779#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 13780#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 13781#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 13782#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 13783#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 13784#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 13785#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 13786#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 13787#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 13788#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 13789#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 13790#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 13791#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 13792#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 13793#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 13794#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 13795#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 13796#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 13797#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 13798#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 13799#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 13800#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 13801#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 13802#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 13803#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 13804#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 13805#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 13806#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 13807#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 13808#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 13809#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 13810#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 13811#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 13812#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 13813#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 13814#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 13815#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 13816#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 13817#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 13818#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 13819#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104))] [2018-07-23 13:46:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:16,410 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:46:16,410 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:46:16,410 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:46:16,411 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 55 states. [2018-07-23 13:46:16,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:16,836 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-07-23 13:46:16,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:46:16,836 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 108 [2018-07-23 13:46:16,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:16,837 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:46:16,838 INFO L226 Difference]: Without dead ends: 111 [2018-07-23 13:46:16,838 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:46:16,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-07-23 13:46:16,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-07-23 13:46:16,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:46:16,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:46:16,845 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 108 [2018-07-23 13:46:16,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:16,845 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:46:16,846 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:46:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:46:16,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:46:16,847 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:16,847 INFO L357 BasicCegarLoop]: trace histogram [54, 53, 1, 1, 1] [2018-07-23 13:46:16,847 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:16,847 INFO L82 PathProgramCache]: Analyzing trace with hash 194724425, now seen corresponding path program 53 times [2018-07-23 13:46:16,847 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:17,170 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:17,170 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:46:17,171 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:17,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:17,171 INFO L185 omatonBuilderFactory]: Interpolants [14268#true, 14269#false, 14270#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 14271#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 14272#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 14273#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 14274#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 14275#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 14276#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 14277#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 14278#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 14279#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 14280#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 14281#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 14282#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 14283#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 14284#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 14285#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 14286#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 14287#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 14288#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 14289#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 14290#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 14291#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 14292#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 14293#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 14294#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 14295#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 14296#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 14297#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 14298#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 14299#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 14300#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 14301#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 14302#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 14303#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 14304#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 14305#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 14306#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 14307#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 14308#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 14309#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 14310#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 14311#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 14312#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 14313#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 14314#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 14315#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 14316#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 14317#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 14318#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 14319#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 14320#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 14321#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 14322#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 14323#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106))] [2018-07-23 13:46:17,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:17,174 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:46:17,174 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:46:17,175 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2971, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:46:17,175 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 56 states. [2018-07-23 13:46:17,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:17,636 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-07-23 13:46:17,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:46:17,636 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 110 [2018-07-23 13:46:17,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:17,637 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:46:17,637 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:46:17,638 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=2971, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:46:17,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:46:17,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:46:17,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:46:17,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:46:17,647 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 110 [2018-07-23 13:46:17,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:17,647 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:46:17,647 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:46:17,647 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:46:17,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:46:17,648 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:17,648 INFO L357 BasicCegarLoop]: trace histogram [55, 54, 1, 1, 1] [2018-07-23 13:46:17,649 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:17,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1848336509, now seen corresponding path program 54 times [2018-07-23 13:46:17,649 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:17,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:17,985 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:17,985 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:46:17,985 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:17,986 INFO L185 omatonBuilderFactory]: Interpolants [14780#true, 14781#false, 14782#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 14783#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 14784#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 14785#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 14786#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 14787#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 14788#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 14789#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 14790#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 14791#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 14792#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 14793#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 14794#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 14795#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 14796#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 14797#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 14798#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 14799#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 14800#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 14801#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 14802#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 14803#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 14804#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 14805#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 14806#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 14807#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 14808#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 14809#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 14810#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 14811#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 14812#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 14813#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 14814#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 14815#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 14816#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 14817#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 14818#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 14819#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 14820#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 14821#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 14822#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 14823#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 14824#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 14825#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 14826#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 14827#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 14828#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 14829#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 14830#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 14831#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 14832#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 14833#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 14834#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 14835#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 14836#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108))] [2018-07-23 13:46:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:17,987 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:46:17,987 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:46:17,988 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=3081, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:46:17,988 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 57 states. [2018-07-23 13:46:18,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:18,404 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-07-23 13:46:18,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:46:18,405 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 112 [2018-07-23 13:46:18,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:18,406 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:46:18,406 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:46:18,407 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=3081, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:46:18,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:46:18,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:46:18,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:46:18,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:46:18,414 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 112 [2018-07-23 13:46:18,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:18,414 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:46:18,414 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:46:18,414 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:46:18,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:46:18,415 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:18,415 INFO L357 BasicCegarLoop]: trace histogram [56, 55, 1, 1, 1] [2018-07-23 13:46:18,416 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:18,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1865127485, now seen corresponding path program 55 times [2018-07-23 13:46:18,416 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:18,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:18,767 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:18,767 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:46:18,767 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:18,768 INFO L185 omatonBuilderFactory]: Interpolants [15301#true, 15302#false, 15303#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 15304#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 15305#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 15306#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 15307#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 15308#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 15309#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 15310#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 15311#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 15312#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 15313#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 15314#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 15315#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 15316#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 15317#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 15318#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 15319#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 15320#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 15321#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 15322#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 15323#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 15324#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 15325#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 15326#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 15327#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 15328#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 15329#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 15330#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 15331#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 15332#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 15333#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 15334#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 15335#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 15336#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 15337#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 15338#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 15339#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 15340#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 15341#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 15342#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 15343#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 15344#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 15345#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 15346#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 15347#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 15348#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 15349#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 15350#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 15351#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 15352#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 15353#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 15354#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 15355#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 15356#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 15357#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 15358#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110))] [2018-07-23 13:46:18,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:18,769 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:46:18,769 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:46:18,770 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=3193, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:46:18,770 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 58 states. [2018-07-23 13:46:19,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:19,257 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-07-23 13:46:19,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:46:19,257 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 114 [2018-07-23 13:46:19,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:19,259 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:46:19,259 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:46:19,260 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=3193, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:46:19,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:46:19,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:46:19,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:46:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:46:19,268 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 114 [2018-07-23 13:46:19,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:19,268 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:46:19,268 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:46:19,268 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:46:19,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:46:19,269 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:19,271 INFO L357 BasicCegarLoop]: trace histogram [57, 56, 1, 1, 1] [2018-07-23 13:46:19,271 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:19,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1386202743, now seen corresponding path program 56 times [2018-07-23 13:46:19,272 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:19,661 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:19,661 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:46:19,662 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:19,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:19,662 INFO L185 omatonBuilderFactory]: Interpolants [15872#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 15873#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 15874#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 15875#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 15876#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 15877#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 15878#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 15879#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 15880#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 15881#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 15882#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 15883#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 15884#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 15885#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 15886#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 15887#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 15888#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 15889#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 15831#true, 15832#false, 15833#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 15834#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 15835#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 15836#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 15837#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 15838#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 15839#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 15840#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 15841#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 15842#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 15843#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 15844#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 15845#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 15846#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 15847#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 15848#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 15849#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 15850#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 15851#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 15852#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 15853#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 15854#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 15855#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 15856#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 15857#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 15858#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 15859#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 15860#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 15861#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 15862#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 15863#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 15864#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 15865#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 15866#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 15867#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 15868#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 15869#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 15870#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 15871#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76))] [2018-07-23 13:46:19,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:19,663 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:46:19,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:46:19,664 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=3307, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:46:19,664 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 59 states. [2018-07-23 13:46:20,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:20,136 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-07-23 13:46:20,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:46:20,136 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 116 [2018-07-23 13:46:20,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:20,137 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:46:20,137 INFO L226 Difference]: Without dead ends: 119 [2018-07-23 13:46:20,138 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=3307, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:46:20,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-07-23 13:46:20,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-07-23 13:46:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:46:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:46:20,146 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 116 [2018-07-23 13:46:20,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:20,147 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:46:20,147 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:46:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:46:20,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:46:20,148 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:20,148 INFO L357 BasicCegarLoop]: trace histogram [58, 57, 1, 1, 1] [2018-07-23 13:46:20,148 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:20,148 INFO L82 PathProgramCache]: Analyzing trace with hash 701026353, now seen corresponding path program 57 times [2018-07-23 13:46:20,149 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:20,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:20,521 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:20,522 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:46:20,522 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:20,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:20,523 INFO L185 omatonBuilderFactory]: Interpolants [16384#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 16385#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 16386#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 16387#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 16388#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 16389#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 16390#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 16391#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 16392#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 16393#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 16394#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 16395#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 16396#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 16397#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 16398#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 16399#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 16400#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 16401#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 16402#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 16403#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 16404#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 16405#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 16406#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 16407#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 16408#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 16409#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 16410#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 16411#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 16412#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 16413#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 16414#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 16415#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 16416#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 16417#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 16418#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 16419#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 16420#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 16421#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 16422#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 16423#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 16424#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 16425#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 16426#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 16427#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 16428#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 16429#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 16370#true, 16371#false, 16372#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 16373#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 16374#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 16375#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 16376#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 16377#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 16378#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 16379#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 16380#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 16381#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 16382#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 16383#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:20,524 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:46:20,524 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:46:20,525 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=3423, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:46:20,525 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 60 states. [2018-07-23 13:46:21,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:21,104 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-07-23 13:46:21,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:46:21,105 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 118 [2018-07-23 13:46:21,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:21,106 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:46:21,106 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:46:21,107 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=3423, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:46:21,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:46:21,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:46:21,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:46:21,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:46:21,117 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 118 [2018-07-23 13:46:21,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:21,117 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:46:21,117 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:46:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:46:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:46:21,119 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:21,119 INFO L357 BasicCegarLoop]: trace histogram [59, 58, 1, 1, 1] [2018-07-23 13:46:21,119 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:21,119 INFO L82 PathProgramCache]: Analyzing trace with hash -623488149, now seen corresponding path program 58 times [2018-07-23 13:46:21,119 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:21,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:21,582 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:21,582 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:46:21,582 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:21,583 INFO L185 omatonBuilderFactory]: Interpolants [16918#true, 16919#false, 16920#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 16921#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 16922#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 16923#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 16924#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 16925#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 16926#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 16927#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 16928#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 16929#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 16930#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 16931#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 16932#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 16933#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 16934#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 16935#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 16936#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 16937#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 16938#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 16939#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 16940#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 16941#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 16942#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 16943#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 16944#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 16945#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 16946#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 16947#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 16948#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 16949#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 16950#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 16951#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 16952#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 16953#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 16954#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 16955#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 16956#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 16957#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 16958#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 16959#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 16960#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 16961#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 16962#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 16963#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 16964#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 16965#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 16966#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 16967#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 16968#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 16969#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 16970#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 16971#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 16972#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 16973#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 16974#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 16975#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 16976#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 16977#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 16978#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116))] [2018-07-23 13:46:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:21,584 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:46:21,584 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:46:21,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=3541, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:46:21,585 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 61 states. [2018-07-23 13:46:22,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:22,033 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-07-23 13:46:22,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:46:22,033 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 120 [2018-07-23 13:46:22,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:22,034 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:46:22,034 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:46:22,037 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=3541, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:46:22,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:46:22,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:46:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:46:22,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:46:22,044 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 120 [2018-07-23 13:46:22,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:22,044 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:46:22,044 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:46:22,045 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:46:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:46:22,046 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:22,046 INFO L357 BasicCegarLoop]: trace histogram [60, 59, 1, 1, 1] [2018-07-23 13:46:22,046 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:22,046 INFO L82 PathProgramCache]: Analyzing trace with hash 2123362341, now seen corresponding path program 59 times [2018-07-23 13:46:22,046 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:22,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:22,422 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:22,423 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:46:22,423 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:22,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:22,424 INFO L185 omatonBuilderFactory]: Interpolants [17536#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 17475#true, 17476#false, 17477#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 17478#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 17479#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 17480#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 17481#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 17482#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 17483#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 17484#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 17485#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 17486#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 17487#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 17488#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 17489#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 17490#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 17491#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 17492#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 17493#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 17494#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 17495#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 17496#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 17497#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 17498#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 17499#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 17500#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 17501#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 17502#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 17503#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 17504#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 17505#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 17506#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 17507#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 17508#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 17509#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 17510#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 17511#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 17512#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 17513#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 17514#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 17515#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 17516#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 17517#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 17518#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 17519#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 17520#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 17521#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 17522#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 17523#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 17524#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 17525#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 17526#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 17527#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 17528#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 17529#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 17530#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 17531#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 17532#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 17533#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 17534#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 17535#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116))] [2018-07-23 13:46:22,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:22,424 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:46:22,425 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:46:22,426 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=3661, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:46:22,426 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 62 states. [2018-07-23 13:46:22,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:22,935 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-07-23 13:46:22,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:46:22,935 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 122 [2018-07-23 13:46:22,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:22,936 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:46:22,936 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:46:22,937 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=3661, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:46:22,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:46:22,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:46:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:46:22,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:46:22,944 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 122 [2018-07-23 13:46:22,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:22,945 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:46:22,945 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:46:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:46:22,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:46:22,946 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:22,946 INFO L357 BasicCegarLoop]: trace histogram [61, 60, 1, 1, 1] [2018-07-23 13:46:22,946 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:22,946 INFO L82 PathProgramCache]: Analyzing trace with hash 441796191, now seen corresponding path program 60 times [2018-07-23 13:46:22,947 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:23,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:23,338 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:23,338 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:46:23,338 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:23,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:23,339 INFO L185 omatonBuilderFactory]: Interpolants [18048#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 18049#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 18050#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 18051#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 18052#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 18053#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 18054#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 18055#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 18056#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 18057#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 18058#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 18059#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 18060#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 18061#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 18062#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 18063#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 18064#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 18065#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 18066#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 18067#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 18068#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 18069#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 18070#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 18071#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 18072#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 18073#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 18074#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 18075#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 18076#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 18077#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 18078#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 18079#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 18080#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 18081#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 18082#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 18083#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 18084#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 18085#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 18086#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 18087#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 18088#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 18089#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 18090#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 18091#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 18092#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 18093#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 18094#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 18095#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 18096#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 18097#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 18098#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 18099#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 18100#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 18101#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 18102#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 18103#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 18041#true, 18042#false, 18043#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 18044#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 18045#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 18046#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 18047#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:23,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:23,340 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:46:23,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:46:23,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=3783, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:46:23,342 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 63 states. [2018-07-23 13:46:23,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:23,877 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-07-23 13:46:23,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:46:23,877 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 124 [2018-07-23 13:46:23,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:23,878 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:46:23,878 INFO L226 Difference]: Without dead ends: 127 [2018-07-23 13:46:23,879 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=3783, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:46:23,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-07-23 13:46:23,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-07-23 13:46:23,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:46:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:46:23,888 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 124 [2018-07-23 13:46:23,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:23,888 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:46:23,889 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:46:23,889 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:46:23,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:46:23,890 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:23,890 INFO L357 BasicCegarLoop]: trace histogram [62, 61, 1, 1, 1] [2018-07-23 13:46:23,890 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:23,890 INFO L82 PathProgramCache]: Analyzing trace with hash -635570663, now seen corresponding path program 61 times [2018-07-23 13:46:23,891 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:24,317 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:24,317 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:46:24,317 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:24,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:24,318 INFO L185 omatonBuilderFactory]: Interpolants [18616#true, 18617#false, 18618#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 18619#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 18620#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 18621#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 18622#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 18623#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 18624#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 18625#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 18626#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 18627#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 18628#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 18629#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 18630#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 18631#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 18632#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 18633#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 18634#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 18635#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 18636#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 18637#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 18638#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 18639#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 18640#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 18641#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 18642#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 18643#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 18644#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 18645#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 18646#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 18647#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 18648#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 18649#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 18650#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 18651#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 18652#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 18653#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 18654#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 18655#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 18656#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 18657#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 18658#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 18659#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 18660#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 18661#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 18662#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 18663#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 18664#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 18665#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 18666#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 18667#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 18668#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 18669#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 18670#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 18671#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 18672#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 18673#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 18674#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 18675#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 18676#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 18677#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 18678#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 18679#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:24,319 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:46:24,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:46:24,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=3907, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:46:24,322 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 64 states. [2018-07-23 13:46:24,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:24,901 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-07-23 13:46:24,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:46:24,901 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 126 [2018-07-23 13:46:24,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:24,902 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:46:24,902 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:46:24,903 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=3907, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:46:24,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:46:24,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:46:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:46:24,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:46:24,912 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 126 [2018-07-23 13:46:24,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:24,912 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:46:24,912 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:46:24,913 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:46:24,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:46:24,913 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:24,913 INFO L357 BasicCegarLoop]: trace histogram [63, 62, 1, 1, 1] [2018-07-23 13:46:24,914 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:24,914 INFO L82 PathProgramCache]: Analyzing trace with hash -897999021, now seen corresponding path program 62 times [2018-07-23 13:46:24,914 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:25,278 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:25,278 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:46:25,279 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:25,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:25,280 INFO L185 omatonBuilderFactory]: Interpolants [19200#true, 19201#false, 19202#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 19203#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 19204#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 19205#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 19206#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 19207#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 19208#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 19209#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 19210#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 19211#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 19212#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 19213#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 19214#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 19215#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 19216#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 19217#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 19218#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 19219#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 19220#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 19221#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 19222#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 19223#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 19224#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 19225#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 19226#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 19227#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 19228#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 19229#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 19230#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 19231#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 19232#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 19233#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 19234#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 19235#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 19236#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 19237#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 19238#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 19239#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 19240#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 19241#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 19242#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 19243#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 19244#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 19245#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 19246#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 19247#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 19248#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 19249#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 19250#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 19251#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 19252#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 19253#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 19254#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 19255#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 19256#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 19257#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 19258#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 19259#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 19260#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 19261#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 19262#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 19263#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 19264#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:25,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:25,281 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:46:25,281 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:46:25,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=4033, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:46:25,282 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 65 states. [2018-07-23 13:46:25,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:25,717 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-07-23 13:46:25,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:46:25,718 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 128 [2018-07-23 13:46:25,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:25,719 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:46:25,719 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:46:25,720 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=4033, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:46:25,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:46:25,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:46:25,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:46:25,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:46:25,730 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 128 [2018-07-23 13:46:25,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:25,731 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:46:25,731 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:46:25,731 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:46:25,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:46:25,732 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:25,732 INFO L357 BasicCegarLoop]: trace histogram [64, 63, 1, 1, 1] [2018-07-23 13:46:25,732 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:25,734 INFO L82 PathProgramCache]: Analyzing trace with hash 311419405, now seen corresponding path program 63 times [2018-07-23 13:46:25,735 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:26,150 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:26,150 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:46:26,150 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:26,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:26,151 INFO L185 omatonBuilderFactory]: Interpolants [19840#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 19841#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 19842#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 19843#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 19844#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 19845#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 19846#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 19847#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 19848#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 19849#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 19850#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 19851#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 19852#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 19853#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 19854#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 19855#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 19856#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 19857#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 19858#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 19793#true, 19794#false, 19795#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 19796#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 19797#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 19798#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 19799#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 19800#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 19801#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 19802#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 19803#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 19804#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 19805#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 19806#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 19807#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 19808#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 19809#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 19810#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 19811#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 19812#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 19813#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 19814#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 19815#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 19816#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 19817#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 19818#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 19819#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 19820#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 19821#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 19822#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 19823#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 19824#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 19825#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 19826#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 19827#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 19828#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 19829#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 19830#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 19831#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 19832#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 19833#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 19834#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 19835#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 19836#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 19837#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 19838#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 19839#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88))] [2018-07-23 13:46:26,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:26,152 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:46:26,156 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:46:26,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=4161, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:46:26,158 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 66 states. [2018-07-23 13:46:26,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:26,736 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-07-23 13:46:26,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:46:26,736 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 130 [2018-07-23 13:46:26,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:26,738 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:46:26,738 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:46:26,741 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=4161, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:46:26,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:46:26,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:46:26,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:46:26,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:46:26,754 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 130 [2018-07-23 13:46:26,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:26,755 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:46:26,755 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:46:26,755 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:46:26,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:46:26,756 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:26,756 INFO L357 BasicCegarLoop]: trace histogram [65, 64, 1, 1, 1] [2018-07-23 13:46:26,758 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:26,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1373610425, now seen corresponding path program 64 times [2018-07-23 13:46:26,758 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,104 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:27,104 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:46:27,104 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:27,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,105 INFO L185 omatonBuilderFactory]: Interpolants [20395#true, 20396#false, 20397#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 20398#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 20399#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 20400#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 20401#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 20402#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 20403#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 20404#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 20405#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 20406#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 20407#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 20408#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 20409#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 20410#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 20411#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 20412#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 20413#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 20414#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 20415#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 20416#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 20417#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 20418#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 20419#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 20420#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 20421#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 20422#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 20423#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 20424#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 20425#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 20426#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 20427#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 20428#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 20429#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 20430#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 20431#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 20432#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 20433#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 20434#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 20435#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 20436#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 20437#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 20438#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 20439#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 20440#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 20441#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 20442#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 20443#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 20444#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 20445#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 20446#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 20447#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 20448#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 20449#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 20450#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 20451#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 20452#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 20453#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 20454#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 20455#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 20456#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 20457#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 20458#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 20459#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 20460#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 20461#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,106 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:46:27,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:46:27,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=4291, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:46:27,107 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 67 states. [2018-07-23 13:46:27,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:27,495 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-07-23 13:46:27,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:46:27,495 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 132 [2018-07-23 13:46:27,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:27,496 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:46:27,496 INFO L226 Difference]: Without dead ends: 135 [2018-07-23 13:46:27,497 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=4291, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:46:27,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-07-23 13:46:27,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-07-23 13:46:27,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:46:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:46:27,503 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 132 [2018-07-23 13:46:27,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:27,504 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:46:27,504 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:46:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:46:27,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:46:27,504 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:27,505 INFO L357 BasicCegarLoop]: trace histogram [66, 65, 1, 1, 1] [2018-07-23 13:46:27,505 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:27,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1484606463, now seen corresponding path program 65 times [2018-07-23 13:46:27,505 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:27,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,906 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:27,906 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:46:27,907 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:27,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,907 INFO L185 omatonBuilderFactory]: Interpolants [21006#true, 21007#false, 21008#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 21009#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 21010#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 21011#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 21012#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 21013#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 21014#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 21015#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 21016#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 21017#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 21018#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 21019#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 21020#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 21021#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 21022#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 21023#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 21024#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 21025#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 21026#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 21027#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 21028#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 21029#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 21030#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 21031#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 21032#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 21033#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 21034#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 21035#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 21036#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 21037#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 21038#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 21039#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 21040#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 21041#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 21042#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 21043#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 21044#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 21045#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 21046#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 21047#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 21048#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 21049#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 21050#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 21051#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 21052#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 21053#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 21054#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 21055#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 21056#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 21057#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 21058#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 21059#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 21060#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 21061#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 21062#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 21063#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 21064#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 21065#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 21066#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 21067#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 21068#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 21069#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 21070#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 21071#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 21072#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 21073#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130))] [2018-07-23 13:46:27,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:27,908 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:46:27,908 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:46:27,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=4423, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:46:27,909 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 68 states. [2018-07-23 13:46:28,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:28,340 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-07-23 13:46:28,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:46:28,341 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 134 [2018-07-23 13:46:28,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:28,342 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:46:28,342 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:46:28,342 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=4423, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:46:28,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:46:28,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:46:28,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:46:28,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:46:28,351 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 134 [2018-07-23 13:46:28,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:28,351 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:46:28,351 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:46:28,351 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:46:28,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:46:28,352 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:28,352 INFO L357 BasicCegarLoop]: trace histogram [67, 66, 1, 1, 1] [2018-07-23 13:46:28,352 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:28,353 INFO L82 PathProgramCache]: Analyzing trace with hash -777616581, now seen corresponding path program 66 times [2018-07-23 13:46:28,353 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:28,669 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:28,669 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:46:28,669 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:28,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:28,670 INFO L185 omatonBuilderFactory]: Interpolants [21632#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 21633#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 21634#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 21635#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 21636#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 21637#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 21638#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 21639#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 21640#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 21641#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 21642#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 21643#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 21644#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 21645#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 21646#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 21647#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 21648#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 21649#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 21650#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 21651#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 21652#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 21653#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 21654#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 21655#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 21656#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 21657#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 21658#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 21659#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 21660#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 21661#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 21662#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 21663#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 21664#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 21665#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 21666#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 21667#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 21668#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 21669#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 21670#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 21671#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 21672#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 21673#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 21674#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 21675#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 21676#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 21677#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 21678#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 21679#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 21680#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 21681#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 21682#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 21683#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 21684#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 21685#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 21686#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 21687#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 21688#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 21689#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 21690#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 21691#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 21692#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 21693#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 21694#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 21626#true, 21627#false, 21628#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 21629#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 21630#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 21631#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6))] [2018-07-23 13:46:28,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:28,671 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:46:28,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:46:28,671 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=4557, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:46:28,671 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 69 states. [2018-07-23 13:46:29,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:29,069 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-07-23 13:46:29,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:46:29,070 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 136 [2018-07-23 13:46:29,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:29,071 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:46:29,071 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:46:29,072 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=4557, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:46:29,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:46:29,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:46:29,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:46:29,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:46:29,081 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 136 [2018-07-23 13:46:29,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:29,081 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:46:29,081 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:46:29,081 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:46:29,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:46:29,082 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:29,082 INFO L357 BasicCegarLoop]: trace histogram [68, 67, 1, 1, 1] [2018-07-23 13:46:29,082 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:29,083 INFO L82 PathProgramCache]: Analyzing trace with hash 34827253, now seen corresponding path program 67 times [2018-07-23 13:46:29,083 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:29,498 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:29,498 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:46:29,499 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:29,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:29,499 INFO L185 omatonBuilderFactory]: Interpolants [22272#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 22273#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 22274#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 22275#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 22276#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 22277#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 22278#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 22279#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 22280#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 22281#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 22282#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 22283#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 22284#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 22285#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 22286#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 22287#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 22288#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 22289#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 22290#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 22291#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 22292#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 22293#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 22294#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 22295#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 22296#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 22297#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 22298#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 22299#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 22300#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 22301#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 22302#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 22303#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 22304#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 22305#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 22306#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 22307#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 22308#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 22309#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 22310#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 22311#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 22312#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 22313#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 22314#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 22315#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 22316#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 22317#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 22318#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 22319#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 22320#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 22321#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 22322#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 22323#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 22324#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 22255#true, 22256#false, 22257#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 22258#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 22259#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 22260#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 22261#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 22262#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 22263#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 22264#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 22265#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 22266#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 22267#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 22268#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 22269#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 22270#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 22271#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:29,500 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:46:29,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:46:29,501 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=4693, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:46:29,501 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 70 states. [2018-07-23 13:46:29,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:29,915 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-07-23 13:46:29,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:46:29,915 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 138 [2018-07-23 13:46:29,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:29,916 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:46:29,916 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:46:29,917 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=4693, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:46:29,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:46:29,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:46:29,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:46:29,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:46:29,932 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 138 [2018-07-23 13:46:29,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:29,932 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:46:29,932 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:46:29,933 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:46:29,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:46:29,933 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:29,934 INFO L357 BasicCegarLoop]: trace histogram [69, 68, 1, 1, 1] [2018-07-23 13:46:29,934 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:29,934 INFO L82 PathProgramCache]: Analyzing trace with hash -890696145, now seen corresponding path program 68 times [2018-07-23 13:46:29,934 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:30,298 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:30,298 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:46:30,298 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:30,298 INFO L185 omatonBuilderFactory]: Interpolants [22912#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 22913#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 22914#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 22915#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 22916#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 22917#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 22918#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 22919#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 22920#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 22921#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 22922#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 22923#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 22924#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 22925#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 22926#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 22927#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 22928#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 22929#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 22930#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 22931#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 22932#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 22933#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 22934#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 22935#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 22936#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 22937#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 22938#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 22939#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 22940#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 22941#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 22942#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 22943#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 22944#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 22945#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 22946#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 22947#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 22948#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 22949#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 22950#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 22951#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 22952#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 22953#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 22954#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 22955#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 22956#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 22957#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 22958#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 22959#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 22960#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 22961#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 22962#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 22963#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 22893#true, 22894#false, 22895#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 22896#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 22897#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 22898#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 22899#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 22900#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 22901#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 22902#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 22903#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 22904#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 22905#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 22906#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 22907#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 22908#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 22909#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 22910#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 22911#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:30,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:30,299 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:46:30,299 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:46:30,299 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=4831, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:46:30,300 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 71 states. [2018-07-23 13:46:30,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:30,727 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-07-23 13:46:30,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:46:30,727 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 140 [2018-07-23 13:46:30,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:30,729 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:46:30,729 INFO L226 Difference]: Without dead ends: 143 [2018-07-23 13:46:30,729 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=4831, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:46:30,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-07-23 13:46:30,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-07-23 13:46:30,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:46:30,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:46:30,738 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 140 [2018-07-23 13:46:30,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:30,738 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:46:30,738 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:46:30,739 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:46:30,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:46:30,739 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:30,739 INFO L357 BasicCegarLoop]: trace histogram [70, 69, 1, 1, 1] [2018-07-23 13:46:30,740 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:30,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1260451351, now seen corresponding path program 69 times [2018-07-23 13:46:30,740 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:31,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:31,120 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:31,120 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:46:31,121 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:31,121 INFO L185 omatonBuilderFactory]: Interpolants [23552#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 23553#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 23554#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 23555#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 23556#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 23557#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 23558#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 23559#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 23560#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 23561#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 23562#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 23563#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 23564#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 23565#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 23566#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 23567#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 23568#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 23569#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 23570#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 23571#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 23572#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 23573#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 23574#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 23575#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 23576#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 23577#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 23578#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 23579#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 23580#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 23581#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 23582#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 23583#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 23584#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 23585#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 23586#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 23587#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 23588#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 23589#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 23590#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 23591#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 23592#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 23593#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 23594#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 23595#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 23596#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 23597#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 23598#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 23599#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 23600#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 23601#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 23602#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 23603#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 23604#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 23605#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 23606#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 23607#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 23608#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 23609#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 23610#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 23611#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 23540#true, 23541#false, 23542#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 23543#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 23544#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 23545#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 23546#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 23547#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 23548#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 23549#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 23550#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 23551#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:31,122 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:46:31,122 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:46:31,122 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=4971, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:46:31,123 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 72 states. [2018-07-23 13:46:31,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:31,551 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-07-23 13:46:31,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:46:31,552 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 142 [2018-07-23 13:46:31,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:31,553 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:46:31,553 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:46:31,553 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=4971, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:46:31,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:46:31,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:46:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:46:31,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:46:31,562 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 142 [2018-07-23 13:46:31,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:31,562 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:46:31,562 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:46:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:46:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:46:31,563 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:31,563 INFO L357 BasicCegarLoop]: trace histogram [71, 70, 1, 1, 1] [2018-07-23 13:46:31,564 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:31,564 INFO L82 PathProgramCache]: Analyzing trace with hash -112918749, now seen corresponding path program 70 times [2018-07-23 13:46:31,564 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:31,951 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:31,952 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:46:31,952 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:31,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:31,952 INFO L185 omatonBuilderFactory]: Interpolants [24196#true, 24197#false, 24198#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 24199#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 24200#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 24201#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 24202#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 24203#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 24204#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 24205#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 24206#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 24207#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 24208#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 24209#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 24210#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 24211#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 24212#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 24213#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 24214#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 24215#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 24216#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 24217#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 24218#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 24219#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 24220#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 24221#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 24222#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 24223#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 24224#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 24225#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 24226#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 24227#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 24228#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 24229#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 24230#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 24231#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 24232#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 24233#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 24234#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 24235#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 24236#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 24237#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 24238#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 24239#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 24240#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 24241#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 24242#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 24243#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 24244#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 24245#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 24246#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 24247#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 24248#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 24249#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 24250#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 24251#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 24252#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 24253#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 24254#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 24255#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 24256#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 24257#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 24258#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 24259#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 24260#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 24261#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 24262#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 24263#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 24264#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 24265#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 24266#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 24267#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 24268#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:31,953 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:46:31,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:46:31,953 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=5113, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:46:31,954 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 73 states. [2018-07-23 13:46:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:32,389 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-07-23 13:46:32,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:46:32,390 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 144 [2018-07-23 13:46:32,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:32,391 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:46:32,391 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:46:32,392 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=5113, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:46:32,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:46:32,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:46:32,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:46:32,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:46:32,400 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 144 [2018-07-23 13:46:32,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:32,400 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:46:32,400 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:46:32,400 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:46:32,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:46:32,401 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:32,401 INFO L357 BasicCegarLoop]: trace histogram [72, 71, 1, 1, 1] [2018-07-23 13:46:32,401 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:32,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1140683299, now seen corresponding path program 71 times [2018-07-23 13:46:32,402 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:32,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:32,765 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:32,766 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:46:32,766 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:32,766 INFO L185 omatonBuilderFactory]: Interpolants [24861#true, 24862#false, 24863#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 24864#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 24865#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 24866#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 24867#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 24868#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 24869#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 24870#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 24871#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 24872#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 24873#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 24874#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 24875#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 24876#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 24877#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 24878#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 24879#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 24880#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 24881#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 24882#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 24883#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 24884#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 24885#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 24886#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 24887#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 24888#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 24889#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 24890#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 24891#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 24892#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 24893#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 24894#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 24895#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 24896#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 24897#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 24898#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 24899#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 24900#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 24901#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 24902#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 24903#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 24904#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 24905#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 24906#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 24907#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 24908#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 24909#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 24910#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 24911#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 24912#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 24913#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 24914#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 24915#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 24916#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 24917#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 24918#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 24919#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 24920#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 24921#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 24922#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 24923#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 24924#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 24925#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 24926#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 24927#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 24928#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 24929#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 24930#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 24931#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 24932#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 24933#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 24934#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:32,767 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:46:32,767 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:46:32,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=5257, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:46:32,768 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 74 states. [2018-07-23 13:46:33,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:33,231 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-07-23 13:46:33,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:46:33,231 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 146 [2018-07-23 13:46:33,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:33,232 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:46:33,233 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:46:33,233 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=5257, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:46:33,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:46:33,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:46:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:46:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:46:33,243 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 146 [2018-07-23 13:46:33,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:33,243 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:46:33,243 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:46:33,243 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:46:33,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:46:33,244 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:33,244 INFO L357 BasicCegarLoop]: trace histogram [73, 72, 1, 1, 1] [2018-07-23 13:46:33,245 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:33,245 INFO L82 PathProgramCache]: Analyzing trace with hash -979937769, now seen corresponding path program 72 times [2018-07-23 13:46:33,245 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:33,892 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:33,892 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:46:33,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:33,893 INFO L185 omatonBuilderFactory]: Interpolants [25600#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 25601#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 25602#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 25603#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 25604#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 25605#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 25606#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 25607#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 25608#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 25609#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 25535#true, 25536#false, 25537#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 25538#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 25539#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 25540#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 25541#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 25542#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 25543#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 25544#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 25545#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 25546#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 25547#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 25548#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 25549#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 25550#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 25551#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 25552#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 25553#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 25554#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 25555#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 25556#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 25557#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 25558#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 25559#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 25560#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 25561#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 25562#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 25563#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 25564#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 25565#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 25566#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 25567#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 25568#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 25569#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 25570#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 25571#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 25572#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 25573#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 25574#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 25575#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 25576#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 25577#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 25578#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 25579#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 25580#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 25581#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 25582#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 25583#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 25584#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 25585#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 25586#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 25587#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 25588#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 25589#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 25590#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 25591#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 25592#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 25593#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 25594#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 25595#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 25596#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 25597#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 25598#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 25599#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:33,894 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:46:33,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:46:33,894 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=5403, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:46:33,894 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 75 states. [2018-07-23 13:46:34,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:34,403 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-07-23 13:46:34,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:46:34,404 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 148 [2018-07-23 13:46:34,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:34,405 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:46:34,405 INFO L226 Difference]: Without dead ends: 151 [2018-07-23 13:46:34,405 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=5403, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:46:34,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-07-23 13:46:34,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-07-23 13:46:34,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:46:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:46:34,411 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 148 [2018-07-23 13:46:34,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:34,411 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:46:34,411 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:46:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:46:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:46:34,412 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:34,412 INFO L357 BasicCegarLoop]: trace histogram [74, 73, 1, 1, 1] [2018-07-23 13:46:34,413 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:34,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1122306095, now seen corresponding path program 73 times [2018-07-23 13:46:34,413 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:34,807 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:34,807 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:46:34,808 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:34,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:34,808 INFO L185 omatonBuilderFactory]: Interpolants [26240#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 26241#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 26242#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 26243#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 26244#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 26245#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 26246#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 26247#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 26248#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 26249#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 26250#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 26251#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 26252#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 26253#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 26254#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 26255#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 26256#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 26257#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 26258#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 26259#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 26260#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 26261#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 26262#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 26263#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 26264#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 26265#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 26266#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 26267#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 26268#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 26269#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 26270#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 26271#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 26272#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 26273#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 26274#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 26275#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 26276#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 26277#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 26278#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 26279#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 26280#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 26281#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 26282#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 26283#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 26284#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 26285#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 26286#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 26287#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 26288#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 26289#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 26290#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 26291#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 26292#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 26293#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 26218#true, 26219#false, 26220#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 26221#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 26222#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 26223#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 26224#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 26225#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 26226#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 26227#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 26228#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 26229#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 26230#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 26231#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 26232#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 26233#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 26234#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 26235#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 26236#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 26237#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 26238#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 26239#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:34,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:34,809 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:46:34,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:46:34,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=5551, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:46:34,809 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 76 states. [2018-07-23 13:46:35,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:35,287 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2018-07-23 13:46:35,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:46:35,287 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 150 [2018-07-23 13:46:35,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:35,288 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:46:35,289 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:46:35,289 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=5551, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:46:35,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:46:35,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:46:35,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:46:35,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:46:35,297 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 150 [2018-07-23 13:46:35,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:35,297 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:46:35,298 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:46:35,298 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:46:35,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:46:35,298 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:35,299 INFO L357 BasicCegarLoop]: trace histogram [75, 74, 1, 1, 1] [2018-07-23 13:46:35,299 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:35,299 INFO L82 PathProgramCache]: Analyzing trace with hash -499313909, now seen corresponding path program 74 times [2018-07-23 13:46:35,299 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:35,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:35,699 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:35,699 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:46:35,700 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:35,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:35,700 INFO L185 omatonBuilderFactory]: Interpolants [26910#true, 26911#false, 26912#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 26913#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 26914#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 26915#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 26916#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 26917#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 26918#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 26919#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 26920#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 26921#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 26922#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 26923#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 26924#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 26925#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 26926#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 26927#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 26928#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 26929#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 26930#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 26931#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 26932#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 26933#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 26934#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 26935#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 26936#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 26937#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 26938#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 26939#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 26940#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 26941#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 26942#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 26943#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 26944#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 26945#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 26946#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 26947#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 26948#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 26949#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 26950#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 26951#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 26952#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 26953#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 26954#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 26955#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 26956#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 26957#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 26958#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 26959#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 26960#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 26961#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 26962#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 26963#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 26964#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 26965#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 26966#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 26967#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 26968#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 26969#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 26970#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 26971#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 26972#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 26973#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 26974#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 26975#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 26976#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 26977#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 26978#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 26979#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 26980#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 26981#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 26982#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 26983#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 26984#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 26985#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 26986#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148))] [2018-07-23 13:46:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:35,701 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:46:35,701 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:46:35,701 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=5701, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:46:35,701 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 77 states. [2018-07-23 13:46:36,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:36,200 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2018-07-23 13:46:36,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:46:36,200 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 152 [2018-07-23 13:46:36,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:36,202 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:46:36,202 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:46:36,202 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=5701, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:46:36,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:46:36,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:46:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:46:36,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:46:36,210 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 152 [2018-07-23 13:46:36,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:36,210 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:46:36,211 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:46:36,211 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:46:36,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:46:36,211 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:36,212 INFO L357 BasicCegarLoop]: trace histogram [76, 75, 1, 1, 1] [2018-07-23 13:46:36,212 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:36,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1195722693, now seen corresponding path program 75 times [2018-07-23 13:46:36,212 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:36,636 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:36,636 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:46:36,636 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:36,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:36,637 INFO L185 omatonBuilderFactory]: Interpolants [27648#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 27649#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 27650#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 27651#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 27652#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 27653#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 27654#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 27655#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 27656#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 27657#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 27658#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 27659#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 27660#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 27661#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 27662#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 27663#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 27664#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 27665#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 27666#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 27667#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 27668#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 27669#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 27670#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 27671#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 27672#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 27673#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 27674#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 27675#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 27676#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 27677#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 27678#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 27679#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 27680#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 27681#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 27682#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 27683#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 27684#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 27685#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 27686#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 27687#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 27688#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 27611#true, 27612#false, 27613#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 27614#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 27615#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 27616#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 27617#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 27618#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 27619#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 27620#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 27621#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 27622#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 27623#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 27624#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 27625#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 27626#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 27627#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 27628#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 27629#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 27630#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 27631#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 27632#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 27633#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 27634#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 27635#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 27636#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 27637#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 27638#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 27639#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 27640#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 27641#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 27642#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 27643#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 27644#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 27645#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 27646#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 27647#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:36,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:36,638 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:46:36,638 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:46:36,638 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=5853, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:46:36,639 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 78 states. [2018-07-23 13:46:37,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:37,163 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2018-07-23 13:46:37,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:46:37,163 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 154 [2018-07-23 13:46:37,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:37,165 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:46:37,165 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:46:37,165 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=5853, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:46:37,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:46:37,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:46:37,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:46:37,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:46:37,174 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 154 [2018-07-23 13:46:37,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:37,174 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:46:37,174 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:46:37,174 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:46:37,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:46:37,175 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:37,176 INFO L357 BasicCegarLoop]: trace histogram [77, 76, 1, 1, 1] [2018-07-23 13:46:37,176 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:37,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1961675265, now seen corresponding path program 76 times [2018-07-23 13:46:37,176 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:37,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:37,706 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:37,706 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:46:37,707 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:37,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:37,707 INFO L185 omatonBuilderFactory]: Interpolants [28321#true, 28322#false, 28323#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 28324#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 28325#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 28326#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 28327#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 28328#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 28329#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 28330#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 28331#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 28332#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 28333#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 28334#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 28335#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 28336#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 28337#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 28338#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 28339#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 28340#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 28341#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 28342#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 28343#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 28344#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 28345#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 28346#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 28347#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 28348#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 28349#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 28350#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 28351#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 28352#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 28353#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 28354#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 28355#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 28356#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 28357#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 28358#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 28359#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 28360#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 28361#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 28362#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 28363#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 28364#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 28365#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 28366#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 28367#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 28368#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 28369#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 28370#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 28371#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 28372#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 28373#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 28374#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 28375#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 28376#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 28377#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 28378#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 28379#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 28380#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 28381#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 28382#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 28383#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 28384#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 28385#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 28386#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 28387#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 28388#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 28389#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 28390#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 28391#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 28392#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 28393#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 28394#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 28395#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 28396#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 28397#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 28398#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 28399#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:37,708 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:46:37,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:46:37,708 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=6007, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:46:37,709 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 79 states. [2018-07-23 13:46:38,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:38,218 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-07-23 13:46:38,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:46:38,218 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 156 [2018-07-23 13:46:38,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:38,219 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:46:38,219 INFO L226 Difference]: Without dead ends: 159 [2018-07-23 13:46:38,220 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=6007, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:46:38,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-23 13:46:38,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-07-23 13:46:38,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:46:38,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:46:38,229 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 156 [2018-07-23 13:46:38,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:38,229 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:46:38,230 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:46:38,230 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:46:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:46:38,231 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:38,231 INFO L357 BasicCegarLoop]: trace histogram [78, 77, 1, 1, 1] [2018-07-23 13:46:38,231 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:38,232 INFO L82 PathProgramCache]: Analyzing trace with hash 320765369, now seen corresponding path program 77 times [2018-07-23 13:46:38,232 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:38,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:38,632 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:38,633 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:46:38,633 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:38,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:38,633 INFO L185 omatonBuilderFactory]: Interpolants [29056#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 29057#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 29058#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 29059#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 29060#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 29061#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 29062#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 29063#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 29064#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 29065#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 29066#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 29067#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 29068#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 29069#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 29070#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 29071#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 29072#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 29073#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 29074#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 29075#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 29076#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 29077#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 29078#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 29079#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 29080#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 29081#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 29082#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 29083#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 29084#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 29085#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 29086#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 29087#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 29088#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 29089#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 29090#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 29091#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 29092#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 29093#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 29094#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 29095#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 29096#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 29097#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 29098#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 29099#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 29100#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 29101#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 29102#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 29103#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 29104#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 29105#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 29106#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 29107#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 29108#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 29109#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 29110#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 29111#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 29112#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 29113#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 29114#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 29115#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 29116#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 29117#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 29118#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 29119#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 29040#true, 29041#false, 29042#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 29043#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 29044#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 29045#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 29046#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 29047#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 29048#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 29049#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 29050#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 29051#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 29052#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 29053#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 29054#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 29055#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:38,634 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:46:38,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:46:38,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=6163, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:46:38,635 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 80 states. [2018-07-23 13:46:39,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:39,186 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-07-23 13:46:39,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:46:39,187 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 158 [2018-07-23 13:46:39,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:39,188 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:46:39,188 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:46:39,189 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=6163, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:46:39,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:46:39,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:46:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:46:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:46:39,197 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 158 [2018-07-23 13:46:39,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:39,197 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:46:39,197 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:46:39,197 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:46:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:46:39,198 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:39,198 INFO L357 BasicCegarLoop]: trace histogram [79, 78, 1, 1, 1] [2018-07-23 13:46:39,199 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:39,199 INFO L82 PathProgramCache]: Analyzing trace with hash -982073613, now seen corresponding path program 78 times [2018-07-23 13:46:39,199 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:39,626 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:39,626 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:39,626 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:46:39,627 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:39,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:39,627 INFO L185 omatonBuilderFactory]: Interpolants [29824#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 29825#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 29826#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 29827#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 29828#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 29829#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 29830#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 29831#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 29832#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 29833#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 29834#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 29835#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 29836#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 29837#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 29838#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 29839#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 29840#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 29841#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 29842#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 29843#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 29844#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 29845#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 29846#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 29847#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 29848#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 29768#true, 29769#false, 29770#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 29771#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 29772#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 29773#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 29774#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 29775#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 29776#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 29777#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 29778#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 29779#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 29780#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 29781#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 29782#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 29783#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 29784#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 29785#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 29786#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 29787#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 29788#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 29789#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 29790#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 29791#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 29792#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 29793#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 29794#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 29795#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 29796#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 29797#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 29798#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 29799#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 29800#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 29801#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 29802#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 29803#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 29804#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 29805#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 29806#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 29807#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 29808#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 29809#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 29810#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 29811#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 29812#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 29813#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 29814#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 29815#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 29816#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 29817#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 29818#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 29819#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 29820#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 29821#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 29822#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 29823#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106))] [2018-07-23 13:46:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:39,628 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:46:39,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:46:39,628 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=6321, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:46:39,629 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 81 states. [2018-07-23 13:46:40,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:40,343 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-07-23 13:46:40,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:46:40,343 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 160 [2018-07-23 13:46:40,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:40,344 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:46:40,344 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:46:40,345 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=6321, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:46:40,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:46:40,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:46:40,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:46:40,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:46:40,353 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 160 [2018-07-23 13:46:40,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:40,353 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:46:40,353 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:46:40,353 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:46:40,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:46:40,354 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:40,354 INFO L357 BasicCegarLoop]: trace histogram [80, 79, 1, 1, 1] [2018-07-23 13:46:40,355 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:40,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1120115117, now seen corresponding path program 79 times [2018-07-23 13:46:40,355 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:40,729 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:40,730 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:46:40,730 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:40,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:40,730 INFO L185 omatonBuilderFactory]: Interpolants [30505#true, 30506#false, 30507#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 30508#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 30509#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 30510#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 30511#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 30512#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 30513#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 30514#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 30515#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 30516#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 30517#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 30518#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 30519#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 30520#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 30521#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 30522#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 30523#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 30524#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 30525#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 30526#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 30527#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 30528#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 30529#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 30530#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 30531#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 30532#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 30533#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 30534#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 30535#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 30536#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 30537#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 30538#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 30539#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 30540#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 30541#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 30542#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 30543#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 30544#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 30545#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 30546#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 30547#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 30548#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 30549#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 30550#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 30551#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 30552#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 30553#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 30554#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 30555#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 30556#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 30557#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 30558#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 30559#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 30560#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 30561#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 30562#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 30563#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 30564#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 30565#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 30566#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 30567#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 30568#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 30569#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 30570#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 30571#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 30572#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 30573#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 30574#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 30575#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 30576#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 30577#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 30578#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 30579#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 30580#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 30581#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 30582#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 30583#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 30584#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 30585#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 30586#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:40,731 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:46:40,731 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:46:40,731 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=6481, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:46:40,732 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 82 states. [2018-07-23 13:46:41,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:41,291 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-07-23 13:46:41,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:46:41,291 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 162 [2018-07-23 13:46:41,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:41,292 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:46:41,292 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:46:41,293 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=6481, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:46:41,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:46:41,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:46:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:46:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:46:41,301 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 162 [2018-07-23 13:46:41,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:41,301 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:46:41,301 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:46:41,301 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:46:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:46:41,302 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:41,302 INFO L357 BasicCegarLoop]: trace histogram [81, 80, 1, 1, 1] [2018-07-23 13:46:41,302 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:41,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1606111769, now seen corresponding path program 80 times [2018-07-23 13:46:41,303 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:41,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:41,757 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:41,757 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:46:41,758 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:41,758 INFO L185 omatonBuilderFactory]: Interpolants [31251#true, 31252#false, 31253#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 31254#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 31255#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 31256#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 31257#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 31258#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 31259#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 31260#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 31261#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 31262#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 31263#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 31264#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 31265#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 31266#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 31267#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 31268#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 31269#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 31270#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 31271#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 31272#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 31273#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 31274#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 31275#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 31276#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 31277#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 31278#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 31279#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 31280#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 31281#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 31282#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 31283#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 31284#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 31285#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 31286#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 31287#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 31288#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 31289#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 31290#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 31291#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 31292#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 31293#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 31294#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 31295#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 31296#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 31297#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 31298#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 31299#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 31300#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 31301#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 31302#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 31303#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 31304#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 31305#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 31306#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 31307#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 31308#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 31309#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 31310#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 31311#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 31312#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 31313#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 31314#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 31315#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 31316#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 31317#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 31318#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 31319#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 31320#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 31321#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 31322#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 31323#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 31324#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 31325#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 31326#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 31327#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 31328#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 31329#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 31330#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 31331#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 31332#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 31333#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160))] [2018-07-23 13:46:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:41,759 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:46:41,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:46:41,760 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=6643, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:46:41,760 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 83 states. [2018-07-23 13:46:42,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:42,360 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2018-07-23 13:46:42,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:46:42,361 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 164 [2018-07-23 13:46:42,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:42,362 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:46:42,362 INFO L226 Difference]: Without dead ends: 167 [2018-07-23 13:46:42,363 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=6643, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:46:42,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-07-23 13:46:42,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-07-23 13:46:42,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:46:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:46:42,371 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 164 [2018-07-23 13:46:42,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:42,371 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:46:42,371 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:46:42,371 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:46:42,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:46:42,372 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:42,372 INFO L357 BasicCegarLoop]: trace histogram [82, 81, 1, 1, 1] [2018-07-23 13:46:42,372 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:42,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1580098655, now seen corresponding path program 81 times [2018-07-23 13:46:42,373 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:42,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:42,825 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:42,825 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:46:42,826 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:42,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:42,826 INFO L185 omatonBuilderFactory]: Interpolants [32006#true, 32007#false, 32008#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 32009#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 32010#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 32011#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 32012#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 32013#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 32014#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 32015#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 32016#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 32017#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 32018#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 32019#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 32020#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 32021#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 32022#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 32023#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 32024#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 32025#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 32026#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 32027#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 32028#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 32029#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 32030#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 32031#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 32032#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 32033#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 32034#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 32035#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 32036#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 32037#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 32038#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 32039#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 32040#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 32041#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 32042#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 32043#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 32044#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 32045#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 32046#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 32047#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 32048#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 32049#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 32050#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 32051#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 32052#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 32053#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 32054#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 32055#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 32056#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 32057#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 32058#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 32059#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 32060#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 32061#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 32062#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 32063#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 32064#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 32065#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 32066#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 32067#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 32068#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 32069#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 32070#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 32071#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 32072#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 32073#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 32074#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 32075#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 32076#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 32077#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 32078#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 32079#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 32080#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 32081#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 32082#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 32083#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 32084#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 32085#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 32086#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 32087#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 32088#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 32089#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:42,827 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:42,827 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:46:42,827 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:46:42,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=6807, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:46:42,828 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 84 states. [2018-07-23 13:46:43,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:43,419 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-07-23 13:46:43,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:46:43,419 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 166 [2018-07-23 13:46:43,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:43,420 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:46:43,420 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:46:43,421 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=6807, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:46:43,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:46:43,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:46:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:46:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:46:43,426 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 166 [2018-07-23 13:46:43,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:43,427 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:46:43,427 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:46:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:46:43,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:46:43,428 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:43,428 INFO L357 BasicCegarLoop]: trace histogram [83, 82, 1, 1, 1] [2018-07-23 13:46:43,428 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:43,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1943667419, now seen corresponding path program 82 times [2018-07-23 13:46:43,428 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:43,875 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:43,875 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:46:43,876 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:43,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:43,876 INFO L185 omatonBuilderFactory]: Interpolants [32770#true, 32771#false, 32772#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 32773#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 32774#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 32775#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 32776#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 32777#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 32778#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 32779#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 32780#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 32781#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 32782#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 32783#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 32784#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 32785#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 32786#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 32787#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 32788#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 32789#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 32790#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 32791#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 32792#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 32793#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 32794#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 32795#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 32796#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 32797#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 32798#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 32799#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 32800#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 32801#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 32802#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 32803#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 32804#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 32805#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 32806#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 32807#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 32808#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 32809#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 32810#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 32811#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 32812#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 32813#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 32814#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 32815#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 32816#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 32817#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 32818#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 32819#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 32820#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 32821#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 32822#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 32823#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 32824#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 32825#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 32826#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 32827#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 32828#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 32829#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 32830#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 32831#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 32832#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 32833#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 32834#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 32835#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 32836#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 32837#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 32838#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 32839#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 32840#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 32841#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 32842#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 32843#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 32844#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 32845#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 32846#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 32847#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 32848#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 32849#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 32850#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 32851#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 32852#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 32853#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 32854#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:43,877 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:46:43,877 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:46:43,877 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=6973, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:46:43,878 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 85 states. [2018-07-23 13:46:44,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:44,483 INFO L93 Difference]: Finished difference Result 173 states and 173 transitions. [2018-07-23 13:46:44,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:46:44,483 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 168 [2018-07-23 13:46:44,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:44,484 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:46:44,484 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:46:44,484 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=167, Invalid=6973, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:46:44,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:46:44,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:46:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:46:44,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:46:44,493 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 168 [2018-07-23 13:46:44,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:44,493 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:46:44,494 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:46:44,494 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:46:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:46:44,495 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:44,495 INFO L357 BasicCegarLoop]: trace histogram [84, 83, 1, 1, 1] [2018-07-23 13:46:44,495 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:44,495 INFO L82 PathProgramCache]: Analyzing trace with hash -446332011, now seen corresponding path program 83 times [2018-07-23 13:46:44,495 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:44,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:44,933 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:44,934 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:46:44,934 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:44,934 INFO L185 omatonBuilderFactory]: Interpolants [33543#true, 33544#false, 33545#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 33546#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 33547#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 33548#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 33549#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 33550#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 33551#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 33552#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 33553#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 33554#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 33555#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 33556#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 33557#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 33558#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 33559#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 33560#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 33561#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 33562#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 33563#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 33564#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 33565#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 33566#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 33567#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 33568#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 33569#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 33570#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 33571#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 33572#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 33573#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 33574#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 33575#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 33576#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 33577#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 33578#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 33579#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 33580#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 33581#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 33582#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 33583#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 33584#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 33585#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 33586#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 33587#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 33588#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 33589#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 33590#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 33591#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 33592#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 33593#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 33594#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 33595#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 33596#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 33597#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 33598#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 33599#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 33600#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 33601#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 33602#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 33603#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 33604#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 33605#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 33606#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 33607#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 33608#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 33609#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 33610#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 33611#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 33612#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 33613#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 33614#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 33615#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 33616#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 33617#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 33618#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 33619#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 33620#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 33621#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 33622#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 33623#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 33624#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 33625#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 33626#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 33627#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 33628#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:44,935 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:44,935 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:46:44,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:46:44,935 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=7141, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:46:44,936 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 86 states. [2018-07-23 13:46:45,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:45,554 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2018-07-23 13:46:45,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:46:45,554 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 170 [2018-07-23 13:46:45,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:45,555 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:46:45,556 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:46:45,556 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=7141, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:46:45,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:46:45,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:46:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:46:45,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:46:45,565 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 170 [2018-07-23 13:46:45,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:45,565 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:46:45,565 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:46:45,565 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:46:45,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:46:45,566 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:45,566 INFO L357 BasicCegarLoop]: trace histogram [85, 84, 1, 1, 1] [2018-07-23 13:46:45,567 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:45,567 INFO L82 PathProgramCache]: Analyzing trace with hash 571719119, now seen corresponding path program 84 times [2018-07-23 13:46:45,567 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:46,076 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:46,076 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:46,076 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:46:46,077 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:46,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:46,078 INFO L185 omatonBuilderFactory]: Interpolants [34325#true, 34326#false, 34327#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 34328#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 34329#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 34330#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 34331#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 34332#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 34333#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 34334#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 34335#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 34336#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 34337#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 34338#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 34339#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 34340#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 34341#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 34342#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 34343#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 34344#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 34345#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 34346#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 34347#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 34348#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 34349#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 34350#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 34351#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 34352#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 34353#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 34354#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 34355#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 34356#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 34357#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 34358#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 34359#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 34360#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 34361#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 34362#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 34363#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 34364#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 34365#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 34366#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 34367#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 34368#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 34369#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 34370#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 34371#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 34372#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 34373#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 34374#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 34375#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 34376#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 34377#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 34378#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 34379#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 34380#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 34381#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 34382#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 34383#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 34384#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 34385#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 34386#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 34387#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 34388#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 34389#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 34390#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 34391#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 34392#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 34393#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 34394#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 34395#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 34396#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 34397#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 34398#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 34399#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 34400#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 34401#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 34402#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 34403#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 34404#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 34405#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 34406#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 34407#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 34408#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 34409#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 34410#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 34411#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168))] [2018-07-23 13:46:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:46,078 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:46:46,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:46:46,079 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:46:46,079 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 87 states. [2018-07-23 13:46:46,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:46,737 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2018-07-23 13:46:46,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:46:46,738 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 172 [2018-07-23 13:46:46,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:46,739 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:46:46,740 INFO L226 Difference]: Without dead ends: 175 [2018-07-23 13:46:46,740 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:46:46,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-07-23 13:46:46,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-07-23 13:46:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:46:46,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:46:46,752 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 172 [2018-07-23 13:46:46,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:46,753 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:46:46,753 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:46:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:46:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:46:46,754 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:46,754 INFO L357 BasicCegarLoop]: trace histogram [86, 85, 1, 1, 1] [2018-07-23 13:46:46,754 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:46,755 INFO L82 PathProgramCache]: Analyzing trace with hash -333688439, now seen corresponding path program 85 times [2018-07-23 13:46:46,755 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:47,485 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:47,485 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:46:47,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:47,486 INFO L185 omatonBuilderFactory]: Interpolants [35200#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 35201#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 35202#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 35203#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 35116#true, 35117#false, 35118#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 35119#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 35120#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 35121#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 35122#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 35123#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 35124#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 35125#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 35126#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 35127#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 35128#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 35129#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 35130#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 35131#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 35132#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 35133#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 35134#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 35135#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 35136#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 35137#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 35138#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 35139#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 35140#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 35141#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 35142#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 35143#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 35144#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 35145#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 35146#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 35147#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 35148#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 35149#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 35150#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 35151#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 35152#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 35153#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 35154#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 35155#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 35156#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 35157#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 35158#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 35159#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 35160#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 35161#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 35162#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 35163#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 35164#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 35165#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 35166#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 35167#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 35168#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 35169#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 35170#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 35171#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 35172#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 35173#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 35174#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 35175#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 35176#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 35177#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 35178#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 35179#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 35180#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 35181#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 35182#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 35183#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 35184#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 35185#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 35186#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 35187#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 35188#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 35189#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 35190#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 35191#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 35192#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 35193#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 35194#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 35195#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 35196#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 35197#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 35198#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 35199#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:47,486 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:47,486 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:46:47,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:46:47,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:46:47,487 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 88 states. [2018-07-23 13:46:48,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:48,216 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-07-23 13:46:48,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:46:48,216 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 174 [2018-07-23 13:46:48,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:48,217 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:46:48,217 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:46:48,218 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:46:48,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:46:48,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:46:48,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:46:48,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:46:48,227 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 174 [2018-07-23 13:46:48,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:48,227 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:46:48,227 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:46:48,227 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:46:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:46:48,228 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:48,228 INFO L357 BasicCegarLoop]: trace histogram [87, 86, 1, 1, 1] [2018-07-23 13:46:48,229 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:48,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1448009411, now seen corresponding path program 86 times [2018-07-23 13:46:48,229 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:48,874 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:48,874 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:48,875 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:46:48,875 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:48,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:48,875 INFO L185 omatonBuilderFactory]: Interpolants [35968#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 35969#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 35970#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 35971#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 35972#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 35973#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 35974#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 35975#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 35976#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 35977#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 35978#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 35979#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 35980#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 35981#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 35982#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 35983#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 35984#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 35985#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 35986#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 35987#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 35988#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 35989#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 35990#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 35991#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 35992#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 35993#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 35994#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 35995#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 35996#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 35997#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 35998#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 35999#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 36000#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 36001#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 36002#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 36003#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 36004#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 35916#true, 35917#false, 35918#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 35919#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 35920#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 35921#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 35922#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 35923#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 35924#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 35925#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 35926#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 35927#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 35928#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 35929#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 35930#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 35931#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 35932#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 35933#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 35934#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 35935#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 35936#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 35937#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 35938#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 35939#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 35940#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 35941#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 35942#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 35943#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 35944#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 35945#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 35946#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 35947#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 35948#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 35949#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 35950#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 35951#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 35952#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 35953#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 35954#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 35955#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 35956#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 35957#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 35958#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 35959#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 35960#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 35961#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 35962#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 35963#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 35964#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 35965#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 35966#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 35967#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:48,876 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:48,876 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:46:48,876 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:46:48,877 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=7657, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:46:48,877 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 89 states. [2018-07-23 13:46:49,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:49,560 INFO L93 Difference]: Finished difference Result 181 states and 181 transitions. [2018-07-23 13:46:49,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:46:49,560 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 176 [2018-07-23 13:46:49,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:49,561 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:46:49,562 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:46:49,562 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=7657, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:46:49,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:46:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:46:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:46:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:46:49,570 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 176 [2018-07-23 13:46:49,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:49,570 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:46:49,571 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:46:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:46:49,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:46:49,571 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:49,572 INFO L357 BasicCegarLoop]: trace histogram [88, 87, 1, 1, 1] [2018-07-23 13:46:49,572 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:49,572 INFO L82 PathProgramCache]: Analyzing trace with hash -32307843, now seen corresponding path program 87 times [2018-07-23 13:46:49,572 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:50,182 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:50,182 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:50,182 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:46:50,182 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:50,183 INFO L185 omatonBuilderFactory]: Interpolants [36736#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 36737#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 36738#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 36739#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 36740#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 36741#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 36742#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 36743#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 36744#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 36745#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 36746#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 36747#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 36748#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 36749#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 36750#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 36751#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 36752#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 36753#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 36754#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 36755#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 36756#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 36757#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 36758#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 36759#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 36760#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 36761#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 36762#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 36763#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 36764#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 36765#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 36766#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 36767#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 36768#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 36769#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 36770#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 36771#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 36772#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 36773#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 36774#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 36775#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 36776#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 36777#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 36778#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 36779#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 36780#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 36781#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 36782#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 36783#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 36784#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 36785#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 36786#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 36787#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 36788#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 36789#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 36790#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 36791#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 36792#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 36793#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 36794#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 36795#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 36796#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 36797#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 36798#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 36799#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 36800#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 36801#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 36802#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 36803#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 36804#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 36805#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 36806#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 36807#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 36808#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 36809#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 36810#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 36811#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 36812#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 36813#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 36814#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 36725#true, 36726#false, 36727#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 36728#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 36729#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 36730#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 36731#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 36732#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 36733#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 36734#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 36735#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:50,184 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:50,184 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:46:50,184 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:46:50,184 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=7833, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:46:50,185 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 90 states. [2018-07-23 13:46:50,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:50,914 INFO L93 Difference]: Finished difference Result 183 states and 183 transitions. [2018-07-23 13:46:50,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:46:50,914 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 178 [2018-07-23 13:46:50,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:50,915 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:46:50,915 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:46:50,916 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=7833, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:46:50,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:46:50,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:46:50,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:46:50,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:46:50,925 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 178 [2018-07-23 13:46:50,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:50,926 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:46:50,926 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:46:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:46:50,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:46:50,927 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:50,927 INFO L357 BasicCegarLoop]: trace histogram [89, 88, 1, 1, 1] [2018-07-23 13:46:50,927 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:50,928 INFO L82 PathProgramCache]: Analyzing trace with hash -983013961, now seen corresponding path program 88 times [2018-07-23 13:46:50,928 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:51,478 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:51,478 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:46:51,478 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:51,479 INFO L185 omatonBuilderFactory]: Interpolants [37632#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 37633#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 37543#true, 37544#false, 37545#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 37546#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 37547#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 37548#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 37549#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 37550#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 37551#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 37552#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 37553#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 37554#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 37555#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 37556#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 37557#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 37558#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 37559#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 37560#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 37561#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 37562#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 37563#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 37564#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 37565#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 37566#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 37567#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 37568#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 37569#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 37570#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 37571#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 37572#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 37573#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 37574#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 37575#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 37576#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 37577#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 37578#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 37579#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 37580#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 37581#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 37582#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 37583#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 37584#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 37585#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 37586#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 37587#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 37588#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 37589#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 37590#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 37591#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 37592#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 37593#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 37594#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 37595#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 37596#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 37597#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 37598#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 37599#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 37600#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 37601#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 37602#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 37603#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 37604#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 37605#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 37606#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 37607#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 37608#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 37609#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 37610#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 37611#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 37612#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 37613#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 37614#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 37615#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 37616#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 37617#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 37618#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 37619#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 37620#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 37621#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 37622#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 37623#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 37624#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 37625#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 37626#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 37627#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 37628#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 37629#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 37630#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 37631#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172))] [2018-07-23 13:46:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:51,480 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:46:51,480 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:46:51,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=8011, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:46:51,481 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 91 states. [2018-07-23 13:46:52,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:52,167 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2018-07-23 13:46:52,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:46:52,167 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 180 [2018-07-23 13:46:52,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:52,168 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:46:52,168 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 13:46:52,169 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=8011, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:46:52,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 13:46:52,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-07-23 13:46:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:46:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:46:52,177 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 180 [2018-07-23 13:46:52,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:52,177 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:46:52,177 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:46:52,177 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:46:52,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:46:52,178 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:52,178 INFO L357 BasicCegarLoop]: trace histogram [90, 89, 1, 1, 1] [2018-07-23 13:46:52,179 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:52,179 INFO L82 PathProgramCache]: Analyzing trace with hash 216440689, now seen corresponding path program 89 times [2018-07-23 13:46:52,179 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:52,732 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:52,732 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:46:52,732 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:52,733 INFO L185 omatonBuilderFactory]: Interpolants [38400#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 38401#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 38402#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 38403#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 38404#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 38405#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 38406#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 38407#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 38408#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 38409#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 38410#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 38411#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 38412#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 38413#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 38414#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 38415#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 38416#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 38417#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 38418#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 38419#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 38420#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 38421#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 38422#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 38423#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 38424#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 38425#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 38426#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 38427#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 38428#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 38429#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 38430#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 38431#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 38432#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 38433#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 38434#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 38435#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 38436#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 38437#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 38438#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 38439#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 38440#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 38441#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 38442#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 38443#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 38444#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 38445#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 38446#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 38447#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 38448#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 38449#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 38450#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 38451#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 38452#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 38453#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 38454#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 38455#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 38456#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 38457#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 38458#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 38459#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 38460#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 38461#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 38370#true, 38371#false, 38372#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 38373#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 38374#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 38375#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 38376#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 38377#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 38378#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 38379#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 38380#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 38381#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 38382#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 38383#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 38384#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 38385#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 38386#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 38387#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 38388#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 38389#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 38390#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 38391#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 38392#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 38393#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 38394#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 38395#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 38396#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 38397#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 38398#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 38399#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54))] [2018-07-23 13:46:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:52,733 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:46:52,734 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:46:52,734 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=8191, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:46:52,734 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 92 states. [2018-07-23 13:46:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:53,450 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-07-23 13:46:53,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:46:53,450 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 182 [2018-07-23 13:46:53,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:53,451 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:46:53,451 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:46:53,451 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=181, Invalid=8191, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:46:53,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:46:53,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:46:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:46:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:46:53,459 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 182 [2018-07-23 13:46:53,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:53,459 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:46:53,460 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:46:53,460 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:46:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:46:53,461 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:53,461 INFO L357 BasicCegarLoop]: trace histogram [91, 90, 1, 1, 1] [2018-07-23 13:46:53,461 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:53,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1841124011, now seen corresponding path program 90 times [2018-07-23 13:46:53,462 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:54,227 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:54,227 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:54,227 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:46:54,228 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:54,228 INFO L185 omatonBuilderFactory]: Interpolants [39296#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 39297#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 39298#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 39206#true, 39207#false, 39208#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 39209#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 39210#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 39211#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 39212#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 39213#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 39214#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 39215#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 39216#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 39217#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 39218#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 39219#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 39220#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 39221#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 39222#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 39223#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 39224#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 39225#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 39226#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 39227#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 39228#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 39229#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 39230#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 39231#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 39232#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 39233#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 39234#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 39235#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 39236#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 39237#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 39238#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 39239#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 39240#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 39241#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 39242#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 39243#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 39244#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 39245#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 39246#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 39247#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 39248#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 39249#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 39250#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 39251#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 39252#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 39253#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 39254#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 39255#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 39256#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 39257#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 39258#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 39259#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 39260#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 39261#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 39262#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 39263#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 39264#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 39265#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 39266#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 39267#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 39268#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 39269#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 39270#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 39271#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 39272#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 39273#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 39274#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 39275#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 39276#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 39277#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 39278#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 39279#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 39280#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 39281#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 39282#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 39283#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 39284#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 39285#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 39286#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 39287#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 39288#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 39289#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 39290#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 39291#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 39292#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 39293#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 39294#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 39295#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:54,229 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:46:54,229 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:46:54,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=8373, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:46:54,230 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 93 states. [2018-07-23 13:46:55,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:55,012 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-07-23 13:46:55,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:46:55,012 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 184 [2018-07-23 13:46:55,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:55,013 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:46:55,013 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:46:55,014 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=8373, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:46:55,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:46:55,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:46:55,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:46:55,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:46:55,023 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 184 [2018-07-23 13:46:55,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:55,023 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:46:55,023 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:46:55,024 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:46:55,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:46:55,024 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:55,025 INFO L357 BasicCegarLoop]: trace histogram [92, 91, 1, 1, 1] [2018-07-23 13:46:55,025 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:55,025 INFO L82 PathProgramCache]: Analyzing trace with hash -206299291, now seen corresponding path program 91 times [2018-07-23 13:46:55,025 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:55,724 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:55,724 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:46:55,725 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:55,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:55,725 INFO L185 omatonBuilderFactory]: Interpolants [40064#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 40065#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 40066#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 40067#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 40068#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 40069#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 40070#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 40071#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 40072#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 40073#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 40074#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 40075#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 40076#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 40077#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 40078#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 40079#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 40080#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 40081#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 40082#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 40083#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 40084#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 40085#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 40086#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 40087#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 40088#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 40089#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 40090#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 40091#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 40092#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 40093#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 40094#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 40095#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 40096#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 40097#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 40098#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 40099#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 40100#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 40101#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 40102#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 40103#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 40104#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 40105#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 40106#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 40107#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 40108#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 40109#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 40110#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 40111#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 40112#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 40113#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 40114#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 40115#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 40116#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 40117#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 40118#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 40119#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 40120#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 40121#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 40122#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 40123#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 40124#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 40125#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 40126#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 40127#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 40128#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 40129#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 40130#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 40131#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 40132#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 40133#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 40134#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 40135#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 40136#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 40137#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 40138#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 40139#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 40140#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 40141#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 40142#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 40143#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 40144#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 40051#true, 40052#false, 40053#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 40054#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 40055#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 40056#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 40057#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 40058#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 40059#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 40060#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 40061#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 40062#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 40063#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20))] [2018-07-23 13:46:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:55,726 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:46:55,726 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:46:55,726 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=8557, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:46:55,727 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 94 states. [2018-07-23 13:46:56,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:56,488 INFO L93 Difference]: Finished difference Result 191 states and 191 transitions. [2018-07-23 13:46:56,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:46:56,488 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 186 [2018-07-23 13:46:56,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:56,489 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:46:56,489 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:46:56,490 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=8557, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:46:56,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:46:56,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:46:56,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:46:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:46:56,496 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 186 [2018-07-23 13:46:56,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:56,497 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:46:56,497 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:46:56,497 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:46:56,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:46:56,497 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:56,498 INFO L357 BasicCegarLoop]: trace histogram [93, 92, 1, 1, 1] [2018-07-23 13:46:56,498 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:56,498 INFO L82 PathProgramCache]: Analyzing trace with hash -685070945, now seen corresponding path program 92 times [2018-07-23 13:46:56,498 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:57,129 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:57,130 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:57,130 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:46:57,130 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:57,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:57,131 INFO L185 omatonBuilderFactory]: Interpolants [40960#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 40961#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 40962#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 40963#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 40964#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 40965#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 40966#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 40967#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 40968#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 40969#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 40970#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 40971#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 40972#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 40973#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 40974#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 40975#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 40976#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 40977#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 40978#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 40979#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 40980#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 40981#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 40982#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 40983#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 40984#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 40985#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 40986#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 40987#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 40988#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 40989#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 40990#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 40991#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 40992#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 40993#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 40994#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 40995#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 40996#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 40997#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 40998#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 40999#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 40905#true, 40906#false, 40907#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 40908#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 40909#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 40910#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 40911#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 40912#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 40913#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 40914#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 40915#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 40916#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 40917#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 40918#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 40919#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 40920#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 40921#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 40922#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 40923#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 40924#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 40925#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 40926#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 40927#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 40928#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 40929#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 40930#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 40931#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 40932#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 40933#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 40934#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 40935#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 40936#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 40937#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 40938#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 40939#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 40940#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 40941#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 40942#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 40943#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 40944#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 40945#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 40946#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 40947#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 40948#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 40949#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 40950#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 40951#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 40952#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 40953#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 40954#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 40955#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 40956#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 40957#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 40958#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 40959#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104))] [2018-07-23 13:46:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:57,131 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:46:57,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:46:57,132 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=8743, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:46:57,132 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 95 states. [2018-07-23 13:46:57,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:57,939 INFO L93 Difference]: Finished difference Result 193 states and 193 transitions. [2018-07-23 13:46:57,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:46:57,940 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 188 [2018-07-23 13:46:57,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:57,940 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:46:57,941 INFO L226 Difference]: Without dead ends: 191 [2018-07-23 13:46:57,941 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=8743, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:46:57,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-07-23 13:46:57,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-07-23 13:46:57,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:46:57,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:46:57,948 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 188 [2018-07-23 13:46:57,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:57,948 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:46:57,948 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:46:57,948 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:46:57,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:46:57,949 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:57,949 INFO L357 BasicCegarLoop]: trace histogram [94, 93, 1, 1, 1] [2018-07-23 13:46:57,949 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:57,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1223129767, now seen corresponding path program 93 times [2018-07-23 13:46:57,950 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:58,541 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:58,541 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:46:58,542 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:58,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:58,542 INFO L185 omatonBuilderFactory]: Interpolants [41856#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 41857#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 41858#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 41859#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 41860#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 41861#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 41862#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 41863#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 41768#true, 41769#false, 41770#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 41771#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 41772#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 41773#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 41774#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 41775#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 41776#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 41777#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 41778#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 41779#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 41780#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 41781#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 41782#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 41783#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 41784#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 41785#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 41786#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 41787#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 41788#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 41789#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 41790#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 41791#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 41792#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 41793#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 41794#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 41795#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 41796#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 41797#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 41798#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 41799#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 41800#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 41801#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 41802#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 41803#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 41804#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 41805#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 41806#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 41807#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 41808#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 41809#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 41810#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 41811#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 41812#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 41813#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 41814#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 41815#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 41816#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 41817#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 41818#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 41819#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 41820#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 41821#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 41822#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 41823#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 41824#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 41825#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 41826#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 41827#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 41828#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 41829#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 41830#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 41831#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 41832#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 41833#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 41834#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 41835#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 41836#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 41837#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 41838#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 41839#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 41840#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 41841#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 41842#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 41843#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 41844#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 41845#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 41846#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 41847#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 41848#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 41849#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 41850#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 41851#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 41852#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 41853#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 41854#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 41855#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170))] [2018-07-23 13:46:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:58,543 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:46:58,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:46:58,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=8931, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:46:58,544 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 96 states. [2018-07-23 13:46:59,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:59,379 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-07-23 13:46:59,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:46:59,380 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 190 [2018-07-23 13:46:59,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:59,380 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:46:59,380 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:46:59,381 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=189, Invalid=8931, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:46:59,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:46:59,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:46:59,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:46:59,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:46:59,390 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 190 [2018-07-23 13:46:59,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:59,390 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:46:59,390 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:46:59,390 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:46:59,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:46:59,391 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:59,392 INFO L357 BasicCegarLoop]: trace histogram [95, 94, 1, 1, 1] [2018-07-23 13:46:59,392 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:59,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1393385107, now seen corresponding path program 94 times [2018-07-23 13:46:59,392 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:59,988 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:59,988 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:59,988 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:46:59,989 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:59,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:59,989 INFO L185 omatonBuilderFactory]: Interpolants [42640#true, 42641#false, 42642#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 42643#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 42644#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 42645#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 42646#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 42647#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 42648#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 42649#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 42650#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 42651#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 42652#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 42653#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 42654#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 42655#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 42656#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 42657#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 42658#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 42659#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 42660#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 42661#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 42662#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 42663#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 42664#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 42665#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 42666#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 42667#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 42668#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 42669#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 42670#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 42671#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 42672#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 42673#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 42674#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 42675#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 42676#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 42677#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 42678#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 42679#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 42680#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 42681#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 42682#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 42683#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 42684#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 42685#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 42686#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 42687#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 42688#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 42689#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 42690#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 42691#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 42692#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 42693#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 42694#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 42695#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 42696#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 42697#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 42698#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 42699#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 42700#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 42701#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 42702#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 42703#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 42704#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 42705#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 42706#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 42707#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 42708#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 42709#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 42710#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 42711#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 42712#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 42713#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 42714#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 42715#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 42716#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 42717#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 42718#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 42719#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 42720#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 42721#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 42722#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 42723#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 42724#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 42725#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 42726#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 42727#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 42728#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 42729#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 42730#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 42731#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 42732#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 42733#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 42734#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 42735#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 42736#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188))] [2018-07-23 13:46:59,990 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:59,990 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:46:59,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:46:59,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=9121, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:46:59,991 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 97 states. [2018-07-23 13:47:00,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:00,859 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-07-23 13:47:00,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:47:00,859 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 192 [2018-07-23 13:47:00,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:00,860 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:47:00,861 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:47:00,861 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=9121, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:47:00,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:47:00,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:47:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:47:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:47:00,870 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 192 [2018-07-23 13:47:00,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:00,870 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:47:00,871 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:47:00,871 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:47:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:47:00,872 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:00,872 INFO L357 BasicCegarLoop]: trace histogram [96, 95, 1, 1, 1] [2018-07-23 13:47:00,872 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:00,872 INFO L82 PathProgramCache]: Analyzing trace with hash -986656435, now seen corresponding path program 95 times [2018-07-23 13:47:00,873 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:01,460 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:01,460 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:47:01,460 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:01,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:01,461 INFO L185 omatonBuilderFactory]: Interpolants [43521#true, 43522#false, 43523#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 43524#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 43525#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 43526#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 43527#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 43528#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 43529#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 43530#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 43531#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 43532#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 43533#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 43534#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 43535#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 43536#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 43537#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 43538#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 43539#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 43540#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 43541#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 43542#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 43543#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 43544#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 43545#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 43546#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 43547#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 43548#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 43549#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 43550#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 43551#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 43552#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 43553#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 43554#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 43555#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 43556#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 43557#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 43558#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 43559#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 43560#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 43561#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 43562#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 43563#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 43564#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 43565#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 43566#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 43567#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 43568#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 43569#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 43570#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 43571#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 43572#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 43573#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 43574#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 43575#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 43576#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 43577#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 43578#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 43579#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 43580#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 43581#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 43582#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 43583#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 43584#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 43585#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 43586#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 43587#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 43588#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 43589#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 43590#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 43591#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 43592#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 43593#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 43594#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 43595#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 43596#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 43597#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 43598#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 43599#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 43600#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 43601#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 43602#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 43603#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 43604#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 43605#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 43606#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 43607#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 43608#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 43609#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 43610#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 43611#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 43612#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 43613#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 43614#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 43615#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 43616#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 43617#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 43618#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:01,462 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:47:01,462 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:47:01,463 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=9313, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:47:01,463 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 98 states. [2018-07-23 13:47:02,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:02,325 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-07-23 13:47:02,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:47:02,325 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 194 [2018-07-23 13:47:02,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:02,326 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:47:02,326 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:47:02,327 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=193, Invalid=9313, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:47:02,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:47:02,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:47:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:47:02,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:47:02,335 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 194 [2018-07-23 13:47:02,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:02,336 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:47:02,336 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:47:02,336 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:47:02,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:47:02,337 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:02,337 INFO L357 BasicCegarLoop]: trace histogram [97, 96, 1, 1, 1] [2018-07-23 13:47:02,337 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:02,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1010990471, now seen corresponding path program 96 times [2018-07-23 13:47:02,338 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:02,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:02,903 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:02,903 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:47:02,903 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:02,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:02,904 INFO L185 omatonBuilderFactory]: Interpolants [44411#true, 44412#false, 44413#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 44414#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 44415#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 44416#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 44417#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 44418#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 44419#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 44420#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 44421#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 44422#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 44423#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 44424#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 44425#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 44426#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 44427#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 44428#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 44429#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 44430#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 44431#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 44432#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 44433#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 44434#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 44435#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 44436#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 44437#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 44438#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 44439#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 44440#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 44441#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 44442#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 44443#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 44444#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 44445#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 44446#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 44447#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 44448#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 44449#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 44450#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 44451#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 44452#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 44453#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 44454#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 44455#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 44456#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 44457#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 44458#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 44459#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 44460#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 44461#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 44462#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 44463#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 44464#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 44465#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 44466#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 44467#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 44468#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 44469#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 44470#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 44471#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 44472#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 44473#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 44474#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 44475#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 44476#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 44477#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 44478#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 44479#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 44480#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 44481#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 44482#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 44483#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 44484#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 44485#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 44486#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 44487#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 44488#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 44489#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 44490#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 44491#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 44492#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 44493#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 44494#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 44495#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 44496#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 44497#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 44498#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 44499#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 44500#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 44501#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 44502#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 44503#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 44504#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 44505#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 44506#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 44507#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 44508#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 44509#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:02,904 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:47:02,905 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:47:02,905 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=9507, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:47:02,905 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 99 states. [2018-07-23 13:47:03,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:03,801 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-07-23 13:47:03,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:47:03,801 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 196 [2018-07-23 13:47:03,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:03,802 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:47:03,802 INFO L226 Difference]: Without dead ends: 199 [2018-07-23 13:47:03,803 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=9507, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:47:03,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-07-23 13:47:03,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2018-07-23 13:47:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:47:03,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:47:03,809 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 196 [2018-07-23 13:47:03,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:03,809 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:47:03,810 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:47:03,810 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:47:03,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:47:03,810 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:03,811 INFO L357 BasicCegarLoop]: trace histogram [98, 97, 1, 1, 1] [2018-07-23 13:47:03,811 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:03,811 INFO L82 PathProgramCache]: Analyzing trace with hash 899285825, now seen corresponding path program 97 times [2018-07-23 13:47:03,811 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:04,593 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:04,594 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:04,594 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:47:04,594 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:04,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:04,594 INFO L185 omatonBuilderFactory]: Interpolants [45312#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 45313#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 45314#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 45315#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 45316#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 45317#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 45318#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 45319#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 45320#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 45321#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 45322#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 45323#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 45324#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 45325#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 45326#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 45327#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 45328#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 45329#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 45330#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 45331#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 45332#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 45333#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 45334#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 45335#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 45336#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 45337#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 45338#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 45339#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 45340#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 45341#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 45342#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 45343#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 45344#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 45345#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 45346#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 45347#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 45348#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 45349#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 45350#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 45351#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 45352#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 45353#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 45354#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 45355#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 45356#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 45357#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 45358#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 45359#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 45360#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 45361#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 45362#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 45363#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 45364#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 45365#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 45366#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 45367#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 45368#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 45369#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 45370#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 45371#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 45372#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 45373#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 45374#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 45375#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 45376#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 45377#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 45378#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 45379#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 45380#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 45381#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 45382#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 45383#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 45384#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 45385#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 45386#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 45387#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 45388#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 45389#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 45390#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 45391#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 45392#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 45393#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 45394#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 45395#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 45396#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 45397#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 45398#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 45399#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 45400#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 45401#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 45402#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 45403#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 45404#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 45405#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 45406#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 45407#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 45408#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 45409#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 45310#true, 45311#false] [2018-07-23 13:47:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:04,595 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:47:04,595 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:47:04,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=9703, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:47:04,596 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 100 states. [2018-07-23 13:47:05,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:05,463 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-07-23 13:47:05,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:47:05,463 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 198 [2018-07-23 13:47:05,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:05,464 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:47:05,465 INFO L226 Difference]: Without dead ends: 201 [2018-07-23 13:47:05,466 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=9703, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:47:05,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-23 13:47:05,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-07-23 13:47:05,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:47:05,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 201 transitions. [2018-07-23 13:47:05,473 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 201 transitions. Word has length 198 [2018-07-23 13:47:05,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:05,473 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 201 transitions. [2018-07-23 13:47:05,473 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:47:05,473 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 201 transitions. [2018-07-23 13:47:05,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:47:05,474 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:05,474 INFO L357 BasicCegarLoop]: trace histogram [99, 98, 1, 1, 1] [2018-07-23 13:47:05,474 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:05,474 INFO L82 PathProgramCache]: Analyzing trace with hash 925303419, now seen corresponding path program 98 times [2018-07-23 13:47:05,474 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:06,091 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:06,091 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:47:06,091 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:06,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:06,092 INFO L185 omatonBuilderFactory]: Interpolants [46218#true, 46219#false, 46220#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 46221#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 46222#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 46223#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 46224#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 46225#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 46226#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 46227#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 46228#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 46229#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 46230#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 46231#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 46232#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 46233#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 46234#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 46235#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 46236#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 46237#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 46238#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 46239#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 46240#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 46241#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 46242#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 46243#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 46244#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 46245#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 46246#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 46247#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 46248#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 46249#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 46250#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 46251#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 46252#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 46253#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 46254#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 46255#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 46256#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 46257#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 46258#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 46259#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 46260#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 46261#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 46262#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 46263#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 46264#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 46265#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 46266#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 46267#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 46268#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 46269#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 46270#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 46271#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 46272#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 46273#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 46274#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 46275#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 46276#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 46277#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 46278#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 46279#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 46280#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 46281#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 46282#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 46283#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 46284#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 46285#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 46286#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 46287#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 46288#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 46289#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 46290#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 46291#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 46292#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 46293#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 46294#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 46295#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 46296#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 46297#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 46298#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 46299#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 46300#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 46301#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 46302#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 46303#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 46304#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 46305#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 46306#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 46307#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 46308#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 46309#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 46310#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 46311#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 46312#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 46313#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 46314#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 46315#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 46316#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 46317#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 46318#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:06,092 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:47:06,093 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:47:06,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=9901, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:47:06,093 INFO L87 Difference]: Start difference. First operand 201 states and 201 transitions. Second operand 101 states. [2018-07-23 13:47:07,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:07,005 INFO L93 Difference]: Finished difference Result 205 states and 205 transitions. [2018-07-23 13:47:07,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:47:07,005 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 200 [2018-07-23 13:47:07,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:07,007 INFO L225 Difference]: With dead ends: 205 [2018-07-23 13:47:07,007 INFO L226 Difference]: Without dead ends: 203 [2018-07-23 13:47:07,008 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=199, Invalid=9901, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:47:07,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-07-23 13:47:07,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-07-23 13:47:07,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:47:07,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-07-23 13:47:07,017 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 200 [2018-07-23 13:47:07,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:07,017 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2018-07-23 13:47:07,017 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:47:07,017 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-07-23 13:47:07,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:47:07,018 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:07,018 INFO L357 BasicCegarLoop]: trace histogram [100, 99, 1, 1, 1] [2018-07-23 13:47:07,019 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:07,019 INFO L82 PathProgramCache]: Analyzing trace with hash 158407477, now seen corresponding path program 99 times [2018-07-23 13:47:07,019 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:07,683 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:07,683 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:07,683 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:47:07,684 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:07,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:07,684 INFO L185 omatonBuilderFactory]: Interpolants [47135#true, 47136#false, 47137#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 47138#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 47139#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 47140#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 47141#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 47142#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 47143#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 47144#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 47145#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 47146#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 47147#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 47148#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 47149#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 47150#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 47151#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 47152#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 47153#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 47154#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 47155#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 47156#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 47157#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 47158#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 47159#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 47160#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 47161#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 47162#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 47163#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 47164#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 47165#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 47166#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 47167#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 47168#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 47169#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 47170#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 47171#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 47172#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 47173#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 47174#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 47175#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 47176#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 47177#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 47178#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 47179#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 47180#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 47181#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 47182#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 47183#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 47184#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 47185#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 47186#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 47187#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 47188#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 47189#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 47190#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 47191#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 47192#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 47193#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 47194#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 47195#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 47196#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 47197#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 47198#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 47199#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 47200#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 47201#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 47202#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 47203#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 47204#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 47205#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 47206#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 47207#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 47208#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 47209#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 47210#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 47211#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 47212#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 47213#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 47214#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 47215#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 47216#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 47217#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 47218#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 47219#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 47220#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 47221#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 47222#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 47223#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 47224#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 47225#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 47226#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 47227#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 47228#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 47229#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 47230#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 47231#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 47232#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 47233#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 47234#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 47235#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 47236#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198))] [2018-07-23 13:47:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:07,685 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:47:07,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:47:07,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=10101, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:47:07,686 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand 102 states. [2018-07-23 13:47:08,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:08,635 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:47:08,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:47:08,635 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 202 [2018-07-23 13:47:08,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:08,636 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:47:08,636 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:47:08,637 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=201, Invalid=10101, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:47:08,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:47:08,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:47:08,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:47:08,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2018-07-23 13:47:08,646 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 202 [2018-07-23 13:47:08,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:08,646 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2018-07-23 13:47:08,646 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:47:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2018-07-23 13:47:08,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:47:08,648 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:08,648 INFO L357 BasicCegarLoop]: trace histogram [101, 100, 1, 1, 1] [2018-07-23 13:47:08,648 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:08,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1905782127, now seen corresponding path program 100 times [2018-07-23 13:47:08,648 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:09,264 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:09,264 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:47:09,264 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:09,264 INFO L185 omatonBuilderFactory]: Interpolants [48128#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 48129#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 48130#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 48131#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 48132#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 48133#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 48134#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 48135#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 48136#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 48137#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 48138#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 48139#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 48140#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 48141#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 48142#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 48143#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 48144#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 48145#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 48146#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 48147#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 48148#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 48149#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 48150#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 48151#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 48152#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 48153#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 48154#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 48155#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 48156#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 48157#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 48158#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 48159#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 48160#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 48161#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 48162#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 48163#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 48061#true, 48062#false, 48063#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 48064#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 48065#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 48066#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 48067#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 48068#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 48069#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 48070#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 48071#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 48072#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 48073#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 48074#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 48075#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 48076#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 48077#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 48078#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 48079#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 48080#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 48081#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 48082#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 48083#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 48084#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 48085#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 48086#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 48087#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 48088#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 48089#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 48090#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 48091#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 48092#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 48093#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 48094#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 48095#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 48096#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 48097#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 48098#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 48099#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 48100#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 48101#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 48102#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 48103#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 48104#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 48105#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 48106#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 48107#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 48108#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 48109#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 48110#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 48111#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 48112#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 48113#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 48114#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 48115#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 48116#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 48117#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 48118#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 48119#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 48120#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 48121#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 48122#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 48123#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 48124#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 48125#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 48126#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 48127#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:09,265 INFO L134 CoverageAnalysis]: Checked inductivity of 10100 backedges. 0 proven. 10100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:09,265 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:47:09,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:47:09,266 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=10303, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:47:09,266 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand 103 states. [2018-07-23 13:47:10,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:10,146 INFO L93 Difference]: Finished difference Result 209 states and 209 transitions. [2018-07-23 13:47:10,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:47:10,146 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 204 [2018-07-23 13:47:10,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:10,147 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:47:10,147 INFO L226 Difference]: Without dead ends: 207 [2018-07-23 13:47:10,148 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=203, Invalid=10303, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:47:10,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-07-23 13:47:10,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-07-23 13:47:10,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-07-23 13:47:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 207 transitions. [2018-07-23 13:47:10,157 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 207 transitions. Word has length 204 [2018-07-23 13:47:10,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:10,158 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 207 transitions. [2018-07-23 13:47:10,158 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:47:10,158 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 207 transitions. [2018-07-23 13:47:10,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-23 13:47:10,159 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:10,159 INFO L357 BasicCegarLoop]: trace histogram [102, 101, 1, 1, 1] [2018-07-23 13:47:10,159 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:10,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1800608041, now seen corresponding path program 101 times [2018-07-23 13:47:10,160 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:10,824 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:10,824 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:10,824 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:47:10,825 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:10,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:10,825 INFO L185 omatonBuilderFactory]: Interpolants [48996#true, 48997#false, 48998#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 48999#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 49000#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 49001#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 49002#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 49003#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 49004#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 49005#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 49006#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 49007#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 49008#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 49009#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 49010#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 49011#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 49012#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 49013#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 49014#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 49015#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 49016#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 49017#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 49018#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 49019#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 49020#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 49021#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 49022#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 49023#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 49024#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 49025#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 49026#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 49027#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 49028#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 49029#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 49030#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 49031#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 49032#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 49033#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 49034#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 49035#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 49036#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 49037#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 49038#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 49039#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 49040#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 49041#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 49042#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 49043#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 49044#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 49045#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 49046#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 49047#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 49048#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 49049#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 49050#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 49051#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 49052#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 49053#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 49054#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 49055#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 49056#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 49057#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 49058#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 49059#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 49060#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 49061#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 49062#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 49063#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 49064#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 49065#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 49066#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 49067#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 49068#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 49069#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 49070#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 49071#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 49072#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 49073#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 49074#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 49075#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 49076#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 49077#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 49078#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 49079#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 49080#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 49081#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 49082#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 49083#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 49084#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 49085#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 49086#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 49087#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 49088#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 49089#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 49090#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 49091#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 49092#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 49093#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 49094#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 49095#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 49096#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 49097#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 49098#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 49099#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202))] [2018-07-23 13:47:10,826 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:10,826 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:47:10,827 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:47:10,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=10507, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:47:10,828 INFO L87 Difference]: Start difference. First operand 207 states and 207 transitions. Second operand 104 states. [2018-07-23 13:47:11,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:11,760 INFO L93 Difference]: Finished difference Result 211 states and 211 transitions. [2018-07-23 13:47:11,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:47:11,761 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 206 [2018-07-23 13:47:11,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:11,762 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:47:11,762 INFO L226 Difference]: Without dead ends: 209 [2018-07-23 13:47:11,763 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=205, Invalid=10507, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:47:11,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-07-23 13:47:11,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-07-23 13:47:11,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-07-23 13:47:11,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2018-07-23 13:47:11,770 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 206 [2018-07-23 13:47:11,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:11,770 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2018-07-23 13:47:11,770 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:47:11,770 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2018-07-23 13:47:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 13:47:11,771 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:11,771 INFO L357 BasicCegarLoop]: trace histogram [103, 102, 1, 1, 1] [2018-07-23 13:47:11,771 INFO L414 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:11,771 INFO L82 PathProgramCache]: Analyzing trace with hash -487440797, now seen corresponding path program 102 times [2018-07-23 13:47:11,771 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:12,453 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:12,453 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:47:12,453 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:12,454 INFO L185 omatonBuilderFactory]: Interpolants [49940#true, 49941#false, 49942#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 49943#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 49944#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 49945#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 49946#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 49947#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 49948#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 49949#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 49950#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 49951#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 49952#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 49953#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 49954#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 49955#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 49956#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 49957#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 49958#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 49959#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 49960#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 49961#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 49962#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 49963#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 49964#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 49965#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 49966#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 49967#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 49968#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 49969#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 49970#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 49971#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 49972#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 49973#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 49974#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 49975#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 49976#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 49977#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 49978#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 49979#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 49980#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 49981#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 49982#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 49983#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 49984#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 49985#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 49986#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 49987#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 49988#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 49989#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 49990#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 49991#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 49992#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 49993#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 49994#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 49995#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 49996#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 49997#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 49998#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 49999#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 50000#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 50001#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 50002#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 50003#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 50004#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 50005#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 50006#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 50007#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 50008#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 50009#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 50010#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 50011#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 50012#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 50013#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 50014#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 50015#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 50016#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 50017#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 50018#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 50019#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 50020#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 50021#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 50022#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 50023#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 50024#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 50025#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 50026#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 50027#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 50028#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 50029#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 50030#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 50031#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 50032#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 50033#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 50034#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 50035#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 50036#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 50037#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 50038#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 50039#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 50040#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 50041#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 50042#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 50043#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 50044#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204))] [2018-07-23 13:47:12,455 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:12,455 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:47:12,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:47:12,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=10713, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:47:12,456 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand 105 states. [2018-07-23 13:47:13,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:13,426 INFO L93 Difference]: Finished difference Result 213 states and 213 transitions. [2018-07-23 13:47:13,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:47:13,426 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 208 [2018-07-23 13:47:13,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:13,427 INFO L225 Difference]: With dead ends: 213 [2018-07-23 13:47:13,427 INFO L226 Difference]: Without dead ends: 211 [2018-07-23 13:47:13,427 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=207, Invalid=10713, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:47:13,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-07-23 13:47:13,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-07-23 13:47:13,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-07-23 13:47:13,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 211 transitions. [2018-07-23 13:47:13,437 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 211 transitions. Word has length 208 [2018-07-23 13:47:13,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:13,437 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 211 transitions. [2018-07-23 13:47:13,437 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:47:13,437 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 211 transitions. [2018-07-23 13:47:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 13:47:13,438 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:13,438 INFO L357 BasicCegarLoop]: trace histogram [104, 103, 1, 1, 1] [2018-07-23 13:47:13,439 INFO L414 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:13,439 INFO L82 PathProgramCache]: Analyzing trace with hash -279118563, now seen corresponding path program 103 times [2018-07-23 13:47:13,439 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:14,137 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:14,137 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:14,138 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:47:14,138 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:14,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:14,138 INFO L185 omatonBuilderFactory]: Interpolants [50944#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 50945#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 50946#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 50947#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 50948#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 50949#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 50950#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 50951#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 50952#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 50953#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 50954#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 50955#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 50956#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 50957#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 50958#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 50959#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 50960#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 50961#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 50962#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 50963#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 50964#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 50965#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 50966#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 50967#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 50968#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 50969#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 50970#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 50971#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 50972#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 50973#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 50974#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 50975#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 50976#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 50977#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 50978#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 50979#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 50980#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 50981#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 50982#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 50983#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 50984#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 50985#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 50986#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 50987#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 50988#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 50989#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 50990#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 50991#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 50992#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 50993#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 50994#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 50995#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 50996#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 50997#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 50998#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 50893#true, 50894#false, 50895#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 50896#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 50897#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 50898#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 50899#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 50900#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 50901#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 50902#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 50903#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 50904#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 50905#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 50906#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 50907#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 50908#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 50909#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 50910#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 50911#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 50912#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 50913#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 50914#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 50915#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 50916#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 50917#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 50918#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 50919#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 50920#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 50921#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 50922#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 50923#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 50924#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 50925#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 50926#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 50927#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 50928#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 50929#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 50930#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 50931#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 50932#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 50933#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 50934#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 50935#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 50936#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 50937#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 50938#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 50939#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 50940#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 50941#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 50942#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 50943#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:14,139 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:14,139 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:47:14,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:47:14,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=10921, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:47:14,141 INFO L87 Difference]: Start difference. First operand 211 states and 211 transitions. Second operand 106 states. [2018-07-23 13:47:15,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:15,113 INFO L93 Difference]: Finished difference Result 215 states and 215 transitions. [2018-07-23 13:47:15,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:47:15,114 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 210 [2018-07-23 13:47:15,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:15,114 INFO L225 Difference]: With dead ends: 215 [2018-07-23 13:47:15,115 INFO L226 Difference]: Without dead ends: 213 [2018-07-23 13:47:15,116 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=209, Invalid=10921, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:47:15,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-07-23 13:47:15,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-07-23 13:47:15,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-07-23 13:47:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 213 transitions. [2018-07-23 13:47:15,126 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 213 transitions. Word has length 210 [2018-07-23 13:47:15,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:15,126 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 213 transitions. [2018-07-23 13:47:15,126 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:47:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 213 transitions. [2018-07-23 13:47:15,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 13:47:15,128 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:15,128 INFO L357 BasicCegarLoop]: trace histogram [105, 104, 1, 1, 1] [2018-07-23 13:47:15,128 INFO L414 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:15,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1944914601, now seen corresponding path program 104 times [2018-07-23 13:47:15,128 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:15,875 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:15,875 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:47:15,875 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:15,876 INFO L185 omatonBuilderFactory]: Interpolants [51855#true, 51856#false, 51857#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 51858#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 51859#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 51860#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 51861#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 51862#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 51863#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 51864#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 51865#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 51866#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 51867#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 51868#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 51869#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 51870#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 51871#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 51872#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 51873#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 51874#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 51875#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 51876#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 51877#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 51878#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 51879#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 51880#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 51881#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 51882#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 51883#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 51884#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 51885#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 51886#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 51887#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 51888#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 51889#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 51890#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 51891#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 51892#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 51893#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 51894#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 51895#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 51896#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 51897#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 51898#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 51899#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 51900#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 51901#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 51902#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 51903#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 51904#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 51905#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 51906#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 51907#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 51908#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 51909#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 51910#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 51911#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 51912#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 51913#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 51914#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 51915#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 51916#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 51917#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 51918#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 51919#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 51920#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 51921#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 51922#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 51923#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 51924#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 51925#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 51926#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 51927#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 51928#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 51929#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 51930#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 51931#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 51932#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 51933#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 51934#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 51935#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 51936#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 51937#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 51938#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 51939#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 51940#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 51941#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 51942#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 51943#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 51944#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 51945#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 51946#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 51947#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 51948#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 51949#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 51950#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 51951#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 51952#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 51953#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 51954#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 51955#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 51956#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 51957#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 51958#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 51959#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 51960#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 51961#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208))] [2018-07-23 13:47:15,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:15,877 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:47:15,877 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:47:15,878 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=11131, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:47:15,878 INFO L87 Difference]: Start difference. First operand 213 states and 213 transitions. Second operand 107 states. [2018-07-23 13:47:16,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:16,904 INFO L93 Difference]: Finished difference Result 217 states and 217 transitions. [2018-07-23 13:47:16,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:47:16,904 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 212 [2018-07-23 13:47:16,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:16,905 INFO L225 Difference]: With dead ends: 217 [2018-07-23 13:47:16,905 INFO L226 Difference]: Without dead ends: 215 [2018-07-23 13:47:16,906 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=11131, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:47:16,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-07-23 13:47:16,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-07-23 13:47:16,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-07-23 13:47:16,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 215 transitions. [2018-07-23 13:47:16,912 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 215 transitions. Word has length 212 [2018-07-23 13:47:16,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:16,913 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 215 transitions. [2018-07-23 13:47:16,913 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:47:16,913 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 215 transitions. [2018-07-23 13:47:16,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-23 13:47:16,913 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:16,914 INFO L357 BasicCegarLoop]: trace histogram [106, 105, 1, 1, 1] [2018-07-23 13:47:16,914 INFO L414 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:16,914 INFO L82 PathProgramCache]: Analyzing trace with hash -752105711, now seen corresponding path program 105 times [2018-07-23 13:47:16,914 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:17,657 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:17,657 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:17,657 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:47:17,657 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:17,658 INFO L185 omatonBuilderFactory]: Interpolants [52826#true, 52827#false, 52828#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 52829#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 52830#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 52831#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 52832#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 52833#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 52834#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 52835#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 52836#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 52837#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 52838#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 52839#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 52840#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 52841#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 52842#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 52843#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 52844#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 52845#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 52846#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 52847#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 52848#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 52849#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 52850#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 52851#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 52852#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 52853#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 52854#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 52855#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 52856#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 52857#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 52858#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 52859#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 52860#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 52861#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 52862#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 52863#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 52864#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 52865#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 52866#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 52867#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 52868#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 52869#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 52870#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 52871#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 52872#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 52873#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 52874#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 52875#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 52876#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 52877#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 52878#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 52879#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 52880#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 52881#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 52882#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 52883#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 52884#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 52885#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 52886#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 52887#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 52888#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 52889#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 52890#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 52891#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 52892#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 52893#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 52894#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 52895#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 52896#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 52897#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 52898#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 52899#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 52900#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 52901#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 52902#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 52903#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 52904#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 52905#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 52906#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 52907#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 52908#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 52909#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 52910#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 52911#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 52912#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 52913#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 52914#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 52915#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 52916#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 52917#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 52918#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 52919#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 52920#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 52921#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 52922#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 52923#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 52924#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 52925#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 52926#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 52927#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 52928#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 52929#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 52930#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 52931#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 52932#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 52933#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:17,659 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:47:17,659 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:47:17,660 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=11343, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:47:17,660 INFO L87 Difference]: Start difference. First operand 215 states and 215 transitions. Second operand 108 states. [2018-07-23 13:47:18,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:18,657 INFO L93 Difference]: Finished difference Result 219 states and 219 transitions. [2018-07-23 13:47:18,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:47:18,657 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 214 [2018-07-23 13:47:18,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:18,658 INFO L225 Difference]: With dead ends: 219 [2018-07-23 13:47:18,658 INFO L226 Difference]: Without dead ends: 217 [2018-07-23 13:47:18,659 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=213, Invalid=11343, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:47:18,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-23 13:47:18,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-07-23 13:47:18,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-07-23 13:47:18,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 217 transitions. [2018-07-23 13:47:18,668 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 217 transitions. Word has length 214 [2018-07-23 13:47:18,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:18,668 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 217 transitions. [2018-07-23 13:47:18,668 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:47:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 217 transitions. [2018-07-23 13:47:18,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-07-23 13:47:18,669 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:18,669 INFO L357 BasicCegarLoop]: trace histogram [107, 106, 1, 1, 1] [2018-07-23 13:47:18,669 INFO L414 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:18,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1219030453, now seen corresponding path program 106 times [2018-07-23 13:47:18,670 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:19,371 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:19,372 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:47:19,372 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:19,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:19,372 INFO L185 omatonBuilderFactory]: Interpolants [53806#true, 53807#false, 53808#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 53809#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 53810#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 53811#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 53812#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 53813#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 53814#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 53815#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 53816#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 53817#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 53818#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 53819#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 53820#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 53821#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 53822#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 53823#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 53824#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 53825#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 53826#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 53827#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 53828#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 53829#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 53830#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 53831#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 53832#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 53833#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 53834#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 53835#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 53836#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 53837#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 53838#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 53839#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 53840#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 53841#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 53842#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 53843#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 53844#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 53845#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 53846#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 53847#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 53848#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 53849#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 53850#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 53851#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 53852#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 53853#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 53854#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 53855#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 53856#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 53857#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 53858#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 53859#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 53860#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 53861#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 53862#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 53863#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 53864#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 53865#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 53866#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 53867#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 53868#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 53869#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 53870#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 53871#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 53872#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 53873#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 53874#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 53875#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 53876#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 53877#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 53878#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 53879#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 53880#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 53881#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 53882#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 53883#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 53884#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 53885#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 53886#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 53887#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 53888#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 53889#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 53890#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 53891#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 53892#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 53893#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 53894#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 53895#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 53896#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 53897#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 53898#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 53899#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 53900#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 53901#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 53902#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 53903#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 53904#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 53905#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 53906#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 53907#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 53908#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 53909#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 53910#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 53911#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 53912#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 53913#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 53914#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212))] [2018-07-23 13:47:19,373 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:19,373 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:47:19,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:47:19,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=11557, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:47:19,375 INFO L87 Difference]: Start difference. First operand 217 states and 217 transitions. Second operand 109 states. [2018-07-23 13:47:20,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:20,400 INFO L93 Difference]: Finished difference Result 221 states and 221 transitions. [2018-07-23 13:47:20,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:47:20,400 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 216 [2018-07-23 13:47:20,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:20,401 INFO L225 Difference]: With dead ends: 221 [2018-07-23 13:47:20,401 INFO L226 Difference]: Without dead ends: 219 [2018-07-23 13:47:20,402 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=11557, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:47:20,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-07-23 13:47:20,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-07-23 13:47:20,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-07-23 13:47:20,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 219 transitions. [2018-07-23 13:47:20,408 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 219 transitions. Word has length 216 [2018-07-23 13:47:20,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:20,408 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 219 transitions. [2018-07-23 13:47:20,408 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:47:20,408 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 219 transitions. [2018-07-23 13:47:20,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-23 13:47:20,408 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:20,409 INFO L357 BasicCegarLoop]: trace histogram [108, 107, 1, 1, 1] [2018-07-23 13:47:20,409 INFO L414 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:20,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1037858565, now seen corresponding path program 107 times [2018-07-23 13:47:20,409 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:21,196 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:21,197 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:21,197 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:47:21,197 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:21,198 INFO L185 omatonBuilderFactory]: Interpolants [54795#true, 54796#false, 54797#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 54798#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 54799#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 54800#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 54801#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 54802#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 54803#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 54804#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 54805#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 54806#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 54807#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 54808#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 54809#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 54810#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 54811#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 54812#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 54813#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 54814#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 54815#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 54816#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 54817#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 54818#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 54819#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 54820#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 54821#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 54822#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 54823#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 54824#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 54825#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 54826#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 54827#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 54828#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 54829#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 54830#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 54831#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 54832#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 54833#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 54834#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 54835#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 54836#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 54837#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 54838#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 54839#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 54840#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 54841#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 54842#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 54843#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 54844#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 54845#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 54846#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 54847#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 54848#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 54849#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 54850#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 54851#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 54852#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 54853#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 54854#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 54855#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 54856#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 54857#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 54858#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 54859#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 54860#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 54861#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 54862#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 54863#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 54864#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 54865#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 54866#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 54867#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 54868#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 54869#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 54870#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 54871#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 54872#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 54873#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 54874#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 54875#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 54876#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 54877#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 54878#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 54879#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 54880#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 54881#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 54882#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 54883#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 54884#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 54885#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 54886#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 54887#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 54888#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 54889#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 54890#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 54891#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 54892#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 54893#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 54894#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 54895#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 54896#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 54897#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 54898#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 54899#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 54900#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 54901#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 54902#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 54903#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 54904#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:21,199 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:47:21,199 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:47:21,200 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=11773, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:47:21,200 INFO L87 Difference]: Start difference. First operand 219 states and 219 transitions. Second operand 110 states. [2018-07-23 13:47:22,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:22,265 INFO L93 Difference]: Finished difference Result 223 states and 223 transitions. [2018-07-23 13:47:22,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:47:22,265 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 218 [2018-07-23 13:47:22,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:22,265 INFO L225 Difference]: With dead ends: 223 [2018-07-23 13:47:22,266 INFO L226 Difference]: Without dead ends: 221 [2018-07-23 13:47:22,266 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=217, Invalid=11773, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:47:22,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-07-23 13:47:22,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-07-23 13:47:22,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-07-23 13:47:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 221 transitions. [2018-07-23 13:47:22,273 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 221 transitions. Word has length 218 [2018-07-23 13:47:22,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:22,274 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 221 transitions. [2018-07-23 13:47:22,274 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:47:22,274 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 221 transitions. [2018-07-23 13:47:22,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 13:47:22,275 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:22,275 INFO L357 BasicCegarLoop]: trace histogram [109, 108, 1, 1, 1] [2018-07-23 13:47:22,275 INFO L414 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:22,276 INFO L82 PathProgramCache]: Analyzing trace with hash 949720383, now seen corresponding path program 108 times [2018-07-23 13:47:22,276 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:23,138 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:23,138 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:47:23,138 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:23,139 INFO L185 omatonBuilderFactory]: Interpolants [55808#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 55809#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 55810#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 55811#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 55812#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 55813#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 55814#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 55815#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 55816#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 55817#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 55818#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 55819#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 55820#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 55821#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 55822#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 55823#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 55824#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 55825#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 55826#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 55827#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 55828#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 55829#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 55830#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 55831#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 55832#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 55833#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 55834#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 55835#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 55836#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 55837#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 55838#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 55839#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 55840#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 55841#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 55842#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 55843#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 55844#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 55845#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 55846#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 55847#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 55848#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 55849#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 55850#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 55851#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 55852#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 55853#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 55854#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 55855#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 55856#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 55857#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 55858#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 55859#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 55860#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 55861#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 55862#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 55863#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 55864#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 55865#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 55866#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 55867#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 55868#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 55869#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 55870#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 55871#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 55872#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 55873#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 55874#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 55875#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 55876#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 55877#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 55878#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 55879#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 55880#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 55881#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 55882#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 55883#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 55884#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 55885#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 55886#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 55887#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 55888#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 55889#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 55890#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 55891#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 55892#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 55893#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 55894#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 55895#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 55896#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 55897#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 55898#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 55899#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 55900#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 55901#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 55902#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 55903#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 55793#true, 55794#false, 55795#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 55796#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 55797#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 55798#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 55799#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 55800#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 55801#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 55802#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 55803#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 55804#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 55805#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 55806#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 55807#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24))] [2018-07-23 13:47:23,140 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:23,140 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:47:23,141 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:47:23,142 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=11991, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:47:23,142 INFO L87 Difference]: Start difference. First operand 221 states and 221 transitions. Second operand 111 states. [2018-07-23 13:47:24,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:24,222 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-07-23 13:47:24,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:47:24,223 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 220 [2018-07-23 13:47:24,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:24,223 INFO L225 Difference]: With dead ends: 225 [2018-07-23 13:47:24,223 INFO L226 Difference]: Without dead ends: 223 [2018-07-23 13:47:24,224 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=219, Invalid=11991, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:47:24,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-07-23 13:47:24,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-07-23 13:47:24,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-07-23 13:47:24,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2018-07-23 13:47:24,233 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 220 [2018-07-23 13:47:24,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:24,234 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2018-07-23 13:47:24,234 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:47:24,234 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2018-07-23 13:47:24,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-07-23 13:47:24,235 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:24,235 INFO L357 BasicCegarLoop]: trace histogram [110, 109, 1, 1, 1] [2018-07-23 13:47:24,235 INFO L414 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:24,235 INFO L82 PathProgramCache]: Analyzing trace with hash -2146693895, now seen corresponding path program 109 times [2018-07-23 13:47:24,236 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:24,975 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:24,975 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:47:24,975 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:24,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:24,976 INFO L185 omatonBuilderFactory]: Interpolants [56832#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 56833#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 56834#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 56835#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 56836#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 56837#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 56838#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 56839#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 56840#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 56841#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 56842#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 56843#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 56844#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 56845#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 56846#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 56847#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 56848#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 56849#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 56850#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 56851#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 56852#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 56853#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 56854#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 56855#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 56856#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 56857#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 56858#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 56859#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 56860#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 56861#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 56862#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 56863#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 56864#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 56865#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 56866#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 56867#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 56868#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 56869#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 56870#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 56871#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 56872#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 56873#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 56874#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 56875#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 56876#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 56877#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 56878#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 56879#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 56880#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 56881#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 56882#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 56883#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 56884#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 56885#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 56886#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 56887#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 56888#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 56889#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 56890#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 56891#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 56892#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 56893#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 56894#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 56895#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 56896#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 56897#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 56898#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 56899#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 56900#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 56901#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 56902#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 56903#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 56904#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 56905#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 56906#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 56907#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 56908#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 56909#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 56910#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 56911#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 56800#true, 56801#false, 56802#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 56803#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 56804#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 56805#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 56806#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 56807#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 56808#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 56809#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 56810#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 56811#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 56812#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 56813#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 56814#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 56815#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 56816#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 56817#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 56818#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 56819#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 56820#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 56821#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 56822#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 56823#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 56824#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 56825#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 56826#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 56827#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 56828#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 56829#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 56830#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 56831#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58))] [2018-07-23 13:47:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:24,976 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:47:24,977 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:47:24,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=12211, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:47:24,978 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 112 states. [2018-07-23 13:47:26,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:26,047 INFO L93 Difference]: Finished difference Result 227 states and 227 transitions. [2018-07-23 13:47:26,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:47:26,048 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 222 [2018-07-23 13:47:26,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:26,048 INFO L225 Difference]: With dead ends: 227 [2018-07-23 13:47:26,048 INFO L226 Difference]: Without dead ends: 225 [2018-07-23 13:47:26,049 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=221, Invalid=12211, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:47:26,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-07-23 13:47:26,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-07-23 13:47:26,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-07-23 13:47:26,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 225 transitions. [2018-07-23 13:47:26,057 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 225 transitions. Word has length 222 [2018-07-23 13:47:26,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:26,057 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 225 transitions. [2018-07-23 13:47:26,058 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:47:26,058 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 225 transitions. [2018-07-23 13:47:26,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-23 13:47:26,058 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:26,058 INFO L357 BasicCegarLoop]: trace histogram [111, 110, 1, 1, 1] [2018-07-23 13:47:26,058 INFO L414 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:26,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1388478925, now seen corresponding path program 110 times [2018-07-23 13:47:26,059 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:27,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:27,084 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:27,084 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:47:27,084 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:27,086 INFO L185 omatonBuilderFactory]: Interpolants [57856#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 57857#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 57858#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 57859#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 57860#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 57861#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 57862#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 57863#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 57864#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 57865#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 57866#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 57867#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 57868#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 57869#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 57870#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 57871#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 57872#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 57873#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 57874#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 57875#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 57876#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 57877#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 57878#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 57879#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 57880#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 57881#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 57882#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 57883#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 57884#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 57885#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 57886#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 57887#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 57888#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 57889#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 57890#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 57891#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 57892#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 57893#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 57894#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 57895#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 57896#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 57897#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 57898#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 57899#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 57900#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 57901#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 57902#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 57903#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 57904#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 57905#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 57906#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 57907#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 57908#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 57909#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 57910#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 57911#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 57912#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 57913#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 57914#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 57915#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 57916#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 57917#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 57918#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 57919#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 57920#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 57921#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 57922#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 57923#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 57924#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 57925#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 57926#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 57927#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 57928#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 57816#true, 57817#false, 57818#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 57819#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 57820#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 57821#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 57822#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 57823#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 57824#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 57825#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 57826#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 57827#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 57828#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 57829#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 57830#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 57831#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 57832#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 57833#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 57834#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 57835#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 57836#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 57837#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 57838#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 57839#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 57840#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 57841#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 57842#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 57843#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 57844#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 57845#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 57846#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 57847#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 57848#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 57849#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 57850#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 57851#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 57852#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 57853#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 57854#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 57855#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:27,087 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:47:27,087 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:47:27,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=12433, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:47:27,089 INFO L87 Difference]: Start difference. First operand 225 states and 225 transitions. Second operand 113 states. [2018-07-23 13:47:28,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:28,221 INFO L93 Difference]: Finished difference Result 229 states and 229 transitions. [2018-07-23 13:47:28,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:47:28,221 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 224 [2018-07-23 13:47:28,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:28,222 INFO L225 Difference]: With dead ends: 229 [2018-07-23 13:47:28,222 INFO L226 Difference]: Without dead ends: 227 [2018-07-23 13:47:28,223 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=223, Invalid=12433, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:47:28,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-07-23 13:47:28,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-07-23 13:47:28,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-07-23 13:47:28,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 227 transitions. [2018-07-23 13:47:28,229 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 227 transitions. Word has length 224 [2018-07-23 13:47:28,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:28,230 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 227 transitions. [2018-07-23 13:47:28,230 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:47:28,230 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 227 transitions. [2018-07-23 13:47:28,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-07-23 13:47:28,230 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:28,230 INFO L357 BasicCegarLoop]: trace histogram [112, 111, 1, 1, 1] [2018-07-23 13:47:28,231 INFO L414 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:28,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1406634221, now seen corresponding path program 111 times [2018-07-23 13:47:28,231 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:29,036 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:29,036 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:47:29,036 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:29,037 INFO L185 omatonBuilderFactory]: Interpolants [58880#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 58881#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 58882#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 58883#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 58884#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 58885#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 58886#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 58887#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 58888#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 58889#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 58890#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 58891#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 58892#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 58893#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 58894#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 58895#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 58896#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 58897#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 58898#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 58899#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 58900#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 58901#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 58902#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 58903#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 58904#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 58905#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 58906#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 58907#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 58908#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 58909#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 58910#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 58911#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 58912#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 58913#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 58914#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 58915#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 58916#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 58917#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 58918#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 58919#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 58920#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 58921#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 58922#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 58923#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 58924#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 58925#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 58926#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 58927#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 58928#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 58929#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 58930#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 58931#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 58932#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 58933#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 58934#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 58935#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 58936#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 58937#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 58938#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 58939#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 58940#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 58941#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 58942#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 58943#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 58944#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 58945#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 58946#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 58947#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 58948#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 58949#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 58950#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 58951#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 58952#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 58953#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 58954#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 58841#true, 58842#false, 58843#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 58844#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 58845#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 58846#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 58847#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 58848#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 58849#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 58850#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 58851#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 58852#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 58853#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 58854#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 58855#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 58856#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 58857#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 58858#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 58859#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 58860#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 58861#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 58862#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 58863#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 58864#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 58865#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 58866#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 58867#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 58868#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 58869#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 58870#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 58871#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 58872#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 58873#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 58874#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 58875#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 58876#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 58877#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 58878#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 58879#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:29,038 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:47:29,038 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:47:29,038 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=12657, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:47:29,039 INFO L87 Difference]: Start difference. First operand 227 states and 227 transitions. Second operand 114 states. [2018-07-23 13:47:30,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:30,111 INFO L93 Difference]: Finished difference Result 231 states and 231 transitions. [2018-07-23 13:47:30,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:47:30,111 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 226 [2018-07-23 13:47:30,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:30,112 INFO L225 Difference]: With dead ends: 231 [2018-07-23 13:47:30,112 INFO L226 Difference]: Without dead ends: 229 [2018-07-23 13:47:30,113 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=225, Invalid=12657, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:47:30,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-23 13:47:30,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2018-07-23 13:47:30,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-07-23 13:47:30,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 229 transitions. [2018-07-23 13:47:30,119 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 229 transitions. Word has length 226 [2018-07-23 13:47:30,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:30,120 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 229 transitions. [2018-07-23 13:47:30,120 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:47:30,120 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 229 transitions. [2018-07-23 13:47:30,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-23 13:47:30,120 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:30,120 INFO L357 BasicCegarLoop]: trace histogram [113, 112, 1, 1, 1] [2018-07-23 13:47:30,121 INFO L414 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:30,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1139159769, now seen corresponding path program 112 times [2018-07-23 13:47:30,121 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:30,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:30,902 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:30,902 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:47:30,903 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:30,903 INFO L185 omatonBuilderFactory]: Interpolants [59904#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 59905#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 59906#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 59907#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 59908#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 59909#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 59910#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 59911#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 59912#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 59913#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 59914#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 59915#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 59916#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 59917#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 59918#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 59919#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 59920#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 59921#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 59922#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 59923#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 59924#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 59925#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 59926#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 59927#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 59928#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 59929#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 59930#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 59931#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 59932#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 59933#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 59934#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 59935#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 59936#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 59937#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 59938#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 59939#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 59940#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 59941#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 59942#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 59943#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 59944#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 59945#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 59946#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 59947#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 59948#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 59949#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 59950#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 59951#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 59952#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 59953#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 59954#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 59955#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 59956#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 59957#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 59958#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 59959#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 59960#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 59961#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 59962#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 59963#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 59964#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 59965#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 59966#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 59967#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 59968#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 59969#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 59970#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 59971#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 59972#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 59973#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 59974#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 59975#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 59976#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 59977#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 59978#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 59979#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 59980#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 59981#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 59982#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 59983#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 59984#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 59985#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 59986#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 59987#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 59988#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 59989#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 59875#true, 59876#false, 59877#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 59878#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 59879#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 59880#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 59881#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 59882#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 59883#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 59884#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 59885#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 59886#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 59887#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 59888#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 59889#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 59890#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 59891#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 59892#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 59893#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 59894#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 59895#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 59896#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 59897#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 59898#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 59899#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 59900#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 59901#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 59902#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 59903#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:30,904 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:30,904 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:47:30,904 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:47:30,905 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=12883, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:47:30,905 INFO L87 Difference]: Start difference. First operand 229 states and 229 transitions. Second operand 115 states. [2018-07-23 13:47:32,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:32,017 INFO L93 Difference]: Finished difference Result 233 states and 233 transitions. [2018-07-23 13:47:32,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:47:32,018 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 228 [2018-07-23 13:47:32,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:32,018 INFO L225 Difference]: With dead ends: 233 [2018-07-23 13:47:32,018 INFO L226 Difference]: Without dead ends: 231 [2018-07-23 13:47:32,019 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=227, Invalid=12883, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:47:32,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-07-23 13:47:32,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-07-23 13:47:32,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-07-23 13:47:32,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 231 transitions. [2018-07-23 13:47:32,029 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 231 transitions. Word has length 228 [2018-07-23 13:47:32,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:32,029 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 231 transitions. [2018-07-23 13:47:32,029 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:47:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 231 transitions. [2018-07-23 13:47:32,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 13:47:32,030 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:32,030 INFO L357 BasicCegarLoop]: trace histogram [114, 113, 1, 1, 1] [2018-07-23 13:47:32,031 INFO L414 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:32,031 INFO L82 PathProgramCache]: Analyzing trace with hash 484174561, now seen corresponding path program 113 times [2018-07-23 13:47:32,031 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:32,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:32,844 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:32,844 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:47:32,845 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:32,845 INFO L185 omatonBuilderFactory]: Interpolants [60928#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 60929#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 60930#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 60931#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 60932#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 60933#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 60934#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 60935#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 60936#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 60937#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 60938#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 60939#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 60940#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 60941#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 60942#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 60943#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 60944#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 60945#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 60946#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 60947#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 60948#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 60949#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 60950#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 60951#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 60952#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 60953#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 60954#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 60955#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 60956#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 60957#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 60958#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 60959#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 60960#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 60961#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 60962#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 60963#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 60964#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 60965#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 60966#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 60967#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 60968#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 60969#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 60970#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 60971#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 60972#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 60973#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 60974#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 60975#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 60976#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 60977#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 60978#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 60979#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 60980#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 60981#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 60982#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 60983#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 60984#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 60985#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 60986#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 60987#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 60988#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 60989#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 60990#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 60991#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 60992#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 60993#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 60994#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 60995#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 60996#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 60997#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 60998#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 60999#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 61000#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 61001#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 61002#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 61003#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 61004#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 61005#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 61006#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 61007#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 61008#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 61009#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 61010#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 61011#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 61012#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 61013#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 61014#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 61015#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 61016#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 61017#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 61018#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 61019#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 61020#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 61021#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 61022#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 61023#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 61024#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 61025#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 61026#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 61027#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 61028#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 61029#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 61030#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 61031#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 61032#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 61033#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 60918#true, 60919#false, 60920#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 60921#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 60922#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 60923#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 60924#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 60925#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 60926#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 60927#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:32,846 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:32,846 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:47:32,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:47:32,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=13111, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:47:32,847 INFO L87 Difference]: Start difference. First operand 231 states and 231 transitions. Second operand 116 states. [2018-07-23 13:47:34,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:34,004 INFO L93 Difference]: Finished difference Result 235 states and 235 transitions. [2018-07-23 13:47:34,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:47:34,004 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 230 [2018-07-23 13:47:34,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:34,005 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:47:34,005 INFO L226 Difference]: Without dead ends: 233 [2018-07-23 13:47:34,006 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=229, Invalid=13111, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:47:34,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-07-23 13:47:34,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-07-23 13:47:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-07-23 13:47:34,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 233 transitions. [2018-07-23 13:47:34,016 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 233 transitions. Word has length 230 [2018-07-23 13:47:34,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:34,016 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 233 transitions. [2018-07-23 13:47:34,016 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:47:34,016 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 233 transitions. [2018-07-23 13:47:34,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-23 13:47:34,017 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:34,017 INFO L357 BasicCegarLoop]: trace histogram [115, 114, 1, 1, 1] [2018-07-23 13:47:34,018 INFO L414 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:34,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1435337243, now seen corresponding path program 114 times [2018-07-23 13:47:34,021 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:34,813 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:34,813 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:34,814 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:47:34,814 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:34,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:34,814 INFO L185 omatonBuilderFactory]: Interpolants [61970#true, 61971#false, 61972#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 61973#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 61974#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 61975#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 61976#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 61977#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 61978#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 61979#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 61980#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 61981#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 61982#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 61983#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 61984#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 61985#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 61986#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 61987#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 61988#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 61989#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 61990#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 61991#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 61992#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 61993#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 61994#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 61995#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 61996#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 61997#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 61998#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 61999#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 62000#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 62001#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 62002#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 62003#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 62004#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 62005#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 62006#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 62007#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 62008#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 62009#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 62010#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 62011#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 62012#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 62013#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 62014#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 62015#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 62016#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 62017#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 62018#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 62019#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 62020#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 62021#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 62022#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 62023#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 62024#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 62025#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 62026#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 62027#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 62028#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 62029#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 62030#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 62031#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 62032#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 62033#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 62034#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 62035#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 62036#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 62037#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 62038#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 62039#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 62040#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 62041#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 62042#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 62043#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 62044#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 62045#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 62046#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 62047#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 62048#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 62049#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 62050#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 62051#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 62052#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 62053#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 62054#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 62055#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 62056#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 62057#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 62058#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 62059#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 62060#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 62061#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 62062#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 62063#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 62064#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 62065#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 62066#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 62067#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 62068#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 62069#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 62070#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 62071#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 62072#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 62073#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 62074#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 62075#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 62076#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 62077#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 62078#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 62079#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 62080#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 62081#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 62082#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 62083#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 62084#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 62085#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 62086#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228))] [2018-07-23 13:47:34,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:34,816 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:47:34,816 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:47:34,816 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=13341, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:47:34,817 INFO L87 Difference]: Start difference. First operand 233 states and 233 transitions. Second operand 117 states. [2018-07-23 13:47:35,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:35,974 INFO L93 Difference]: Finished difference Result 237 states and 237 transitions. [2018-07-23 13:47:35,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:47:35,975 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 232 [2018-07-23 13:47:35,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:35,976 INFO L225 Difference]: With dead ends: 237 [2018-07-23 13:47:35,976 INFO L226 Difference]: Without dead ends: 235 [2018-07-23 13:47:35,976 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=231, Invalid=13341, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:47:35,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-07-23 13:47:35,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-07-23 13:47:35,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-07-23 13:47:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 235 transitions. [2018-07-23 13:47:35,983 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 235 transitions. Word has length 232 [2018-07-23 13:47:35,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:35,983 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 235 transitions. [2018-07-23 13:47:35,983 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:47:35,983 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 235 transitions. [2018-07-23 13:47:35,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-07-23 13:47:35,984 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:35,984 INFO L357 BasicCegarLoop]: trace histogram [116, 115, 1, 1, 1] [2018-07-23 13:47:35,984 INFO L414 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:35,984 INFO L82 PathProgramCache]: Analyzing trace with hash 674640597, now seen corresponding path program 115 times [2018-07-23 13:47:35,984 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:36,811 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:36,812 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:36,812 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:47:36,812 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:36,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:36,813 INFO L185 omatonBuilderFactory]: Interpolants [63031#true, 63032#false, 63033#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 63034#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 63035#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 63036#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 63037#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 63038#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 63039#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 63040#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 63041#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 63042#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 63043#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 63044#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 63045#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 63046#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 63047#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 63048#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 63049#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 63050#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 63051#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 63052#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 63053#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 63054#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 63055#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 63056#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 63057#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 63058#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 63059#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 63060#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 63061#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 63062#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 63063#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 63064#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 63065#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 63066#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 63067#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 63068#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 63069#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 63070#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 63071#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 63072#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 63073#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 63074#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 63075#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 63076#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 63077#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 63078#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 63079#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 63080#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 63081#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 63082#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 63083#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 63084#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 63085#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 63086#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 63087#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 63088#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 63089#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 63090#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 63091#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 63092#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 63093#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 63094#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 63095#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 63096#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 63097#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 63098#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 63099#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 63100#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 63101#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 63102#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 63103#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 63104#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 63105#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 63106#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 63107#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 63108#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 63109#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 63110#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 63111#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 63112#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 63113#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 63114#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 63115#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 63116#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 63117#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 63118#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 63119#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 63120#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 63121#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 63122#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 63123#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 63124#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 63125#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 63126#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 63127#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 63128#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 63129#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 63130#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 63131#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 63132#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 63133#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 63134#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 63135#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 63136#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 63137#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 63138#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 63139#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 63140#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 63141#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 63142#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 63143#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 63144#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 63145#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 63146#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 63147#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 63148#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:36,814 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:47:36,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:47:36,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=13573, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:47:36,815 INFO L87 Difference]: Start difference. First operand 235 states and 235 transitions. Second operand 118 states. [2018-07-23 13:47:38,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:38,003 INFO L93 Difference]: Finished difference Result 239 states and 239 transitions. [2018-07-23 13:47:38,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:47:38,004 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 234 [2018-07-23 13:47:38,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:38,005 INFO L225 Difference]: With dead ends: 239 [2018-07-23 13:47:38,005 INFO L226 Difference]: Without dead ends: 237 [2018-07-23 13:47:38,006 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=233, Invalid=13573, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:47:38,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-07-23 13:47:38,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-07-23 13:47:38,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-07-23 13:47:38,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2018-07-23 13:47:38,012 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 234 [2018-07-23 13:47:38,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:38,013 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2018-07-23 13:47:38,013 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:47:38,013 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2018-07-23 13:47:38,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-23 13:47:38,014 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:38,014 INFO L357 BasicCegarLoop]: trace histogram [117, 116, 1, 1, 1] [2018-07-23 13:47:38,014 INFO L414 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:38,014 INFO L82 PathProgramCache]: Analyzing trace with hash -210395889, now seen corresponding path program 116 times [2018-07-23 13:47:38,014 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:38,858 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:38,858 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:38,859 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:47:38,859 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:38,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:38,859 INFO L185 omatonBuilderFactory]: Interpolants [64101#true, 64102#false, 64103#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 64104#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 64105#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 64106#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 64107#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 64108#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 64109#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 64110#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 64111#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 64112#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 64113#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 64114#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 64115#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 64116#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 64117#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 64118#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 64119#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 64120#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 64121#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 64122#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 64123#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 64124#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 64125#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 64126#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 64127#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 64128#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 64129#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 64130#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 64131#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 64132#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 64133#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 64134#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 64135#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 64136#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 64137#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 64138#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 64139#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 64140#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 64141#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 64142#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 64143#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 64144#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 64145#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 64146#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 64147#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 64148#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 64149#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 64150#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 64151#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 64152#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 64153#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 64154#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 64155#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 64156#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 64157#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 64158#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 64159#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 64160#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 64161#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 64162#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 64163#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 64164#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 64165#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 64166#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 64167#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 64168#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 64169#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 64170#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 64171#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 64172#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 64173#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 64174#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 64175#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 64176#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 64177#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 64178#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 64179#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 64180#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 64181#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 64182#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 64183#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 64184#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 64185#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 64186#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 64187#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 64188#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 64189#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 64190#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 64191#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 64192#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 64193#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 64194#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 64195#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 64196#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 64197#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 64198#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 64199#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 64200#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 64201#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 64202#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 64203#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 64204#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 64205#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 64206#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 64207#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 64208#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 64209#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 64210#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 64211#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 64212#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 64213#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 64214#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 64215#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 64216#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 64217#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 64218#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 64219#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232))] [2018-07-23 13:47:38,860 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:38,860 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:47:38,860 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:47:38,861 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=13807, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:47:38,861 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand 119 states. [2018-07-23 13:47:40,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:40,054 INFO L93 Difference]: Finished difference Result 241 states and 241 transitions. [2018-07-23 13:47:40,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:47:40,054 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 236 [2018-07-23 13:47:40,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:40,055 INFO L225 Difference]: With dead ends: 241 [2018-07-23 13:47:40,055 INFO L226 Difference]: Without dead ends: 239 [2018-07-23 13:47:40,056 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=235, Invalid=13807, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:47:40,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-07-23 13:47:40,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-07-23 13:47:40,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-07-23 13:47:40,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2018-07-23 13:47:40,065 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 239 transitions. Word has length 236 [2018-07-23 13:47:40,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:40,065 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 239 transitions. [2018-07-23 13:47:40,065 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:47:40,065 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2018-07-23 13:47:40,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-07-23 13:47:40,066 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:40,067 INFO L357 BasicCegarLoop]: trace histogram [118, 117, 1, 1, 1] [2018-07-23 13:47:40,067 INFO L414 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:40,067 INFO L82 PathProgramCache]: Analyzing trace with hash -326934327, now seen corresponding path program 117 times [2018-07-23 13:47:40,067 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:40,955 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:40,955 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:47:40,955 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:40,956 INFO L185 omatonBuilderFactory]: Interpolants [65280#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 65281#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 65282#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 65283#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 65284#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 65285#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 65286#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 65287#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 65288#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 65289#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 65290#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 65291#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 65292#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 65293#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 65294#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 65295#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 65296#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 65297#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 65298#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 65299#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 65180#true, 65181#false, 65182#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 65183#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 65184#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 65185#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 65186#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 65187#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 65188#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 65189#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 65190#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 65191#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 65192#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 65193#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 65194#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 65195#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 65196#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 65197#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 65198#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 65199#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 65200#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 65201#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 65202#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 65203#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 65204#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 65205#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 65206#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 65207#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 65208#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 65209#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 65210#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 65211#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 65212#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 65213#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 65214#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 65215#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 65216#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 65217#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 65218#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 65219#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 65220#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 65221#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 65222#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 65223#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 65224#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 65225#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 65226#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 65227#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 65228#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 65229#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 65230#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 65231#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 65232#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 65233#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 65234#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 65235#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 65236#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 65237#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 65238#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 65239#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 65240#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 65241#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 65242#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 65243#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 65244#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 65245#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 65246#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 65247#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 65248#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 65249#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 65250#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 65251#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 65252#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 65253#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 65254#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 65255#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 65256#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 65257#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 65258#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 65259#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 65260#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 65261#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 65262#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 65263#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 65264#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 65265#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 65266#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 65267#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 65268#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 65269#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 65270#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 65271#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 65272#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 65273#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 65274#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 65275#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 65276#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 65277#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 65278#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 65279#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:40,956 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:40,957 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:47:40,957 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:47:40,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=14043, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:47:40,958 INFO L87 Difference]: Start difference. First operand 239 states and 239 transitions. Second operand 120 states. [2018-07-23 13:47:42,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:42,178 INFO L93 Difference]: Finished difference Result 243 states and 243 transitions. [2018-07-23 13:47:42,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:47:42,178 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 238 [2018-07-23 13:47:42,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:42,179 INFO L225 Difference]: With dead ends: 243 [2018-07-23 13:47:42,179 INFO L226 Difference]: Without dead ends: 241 [2018-07-23 13:47:42,180 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=237, Invalid=14043, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:47:42,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-07-23 13:47:42,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-07-23 13:47:42,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-07-23 13:47:42,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 241 transitions. [2018-07-23 13:47:42,189 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 241 transitions. Word has length 238 [2018-07-23 13:47:42,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:42,190 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 241 transitions. [2018-07-23 13:47:42,190 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:47:42,190 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 241 transitions. [2018-07-23 13:47:42,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 13:47:42,191 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:42,191 INFO L357 BasicCegarLoop]: trace histogram [119, 118, 1, 1, 1] [2018-07-23 13:47:42,191 INFO L414 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:42,191 INFO L82 PathProgramCache]: Analyzing trace with hash -651223549, now seen corresponding path program 118 times [2018-07-23 13:47:42,192 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:43,144 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:43,144 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:43,145 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:47:43,145 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:43,145 INFO L185 omatonBuilderFactory]: Interpolants [66305#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 66304#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 66307#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 66306#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 66309#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 66308#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 66311#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 66310#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 66313#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 66312#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 66315#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 66314#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 66317#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 66316#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 66319#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 66318#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 66321#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 66320#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 66323#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 66322#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 66325#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 66324#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 66327#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 66326#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 66329#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 66328#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 66331#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 66330#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 66333#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 66332#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 66335#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 66334#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 66337#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 66336#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 66339#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 66338#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 66341#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 66340#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 66343#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 66342#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 66345#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 66344#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 66347#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 66346#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 66349#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 66348#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 66351#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 66350#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 66353#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 66352#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 66355#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 66354#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 66357#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 66356#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 66359#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 66358#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 66361#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 66360#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 66363#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 66362#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 66365#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 66364#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 66367#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 66366#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 66369#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 66368#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 66371#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 66370#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 66373#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 66372#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 66375#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 66374#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 66377#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 66376#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 66379#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 66378#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 66381#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 66380#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 66383#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 66382#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 66385#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 66384#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 66387#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 66386#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 66388#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 66269#false, 66268#true, 66271#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 66270#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 66273#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 66272#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 66275#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 66274#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 66277#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 66276#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 66279#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 66278#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 66281#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 66280#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 66283#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 66282#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 66285#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 66284#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 66287#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 66286#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 66289#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 66288#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 66291#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 66290#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 66293#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 66292#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 66295#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 66294#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 66297#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 66296#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 66299#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 66298#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 66301#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 66300#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 66303#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 66302#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:43,146 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:43,146 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:47:43,146 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:47:43,147 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=14281, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:47:43,147 INFO L87 Difference]: Start difference. First operand 241 states and 241 transitions. Second operand 121 states. [2018-07-23 13:47:44,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:44,392 INFO L93 Difference]: Finished difference Result 245 states and 245 transitions. [2018-07-23 13:47:44,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:47:44,392 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 240 [2018-07-23 13:47:44,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:44,393 INFO L225 Difference]: With dead ends: 245 [2018-07-23 13:47:44,393 INFO L226 Difference]: Without dead ends: 243 [2018-07-23 13:47:44,394 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=239, Invalid=14281, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:47:44,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-07-23 13:47:44,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2018-07-23 13:47:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-07-23 13:47:44,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 243 transitions. [2018-07-23 13:47:44,400 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 243 transitions. Word has length 240 [2018-07-23 13:47:44,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:44,400 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 243 transitions. [2018-07-23 13:47:44,400 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:47:44,401 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 243 transitions. [2018-07-23 13:47:44,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-07-23 13:47:44,401 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:44,401 INFO L357 BasicCegarLoop]: trace histogram [120, 119, 1, 1, 1] [2018-07-23 13:47:44,402 INFO L414 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:44,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1239446717, now seen corresponding path program 119 times [2018-07-23 13:47:44,402 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:45,270 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:45,270 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:47:45,270 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:45,271 INFO L185 omatonBuilderFactory]: Interpolants [67365#true, 67367#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 67366#false, 67369#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 67368#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 67371#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 67370#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 67373#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 67372#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 67375#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 67374#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 67377#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 67376#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 67379#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 67378#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 67381#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 67380#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 67383#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 67382#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 67385#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 67384#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 67387#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 67386#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 67389#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 67388#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 67391#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 67390#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 67393#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 67392#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 67395#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 67394#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 67397#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 67396#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 67399#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 67398#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 67401#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 67400#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 67403#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 67402#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 67405#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 67404#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 67407#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 67406#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 67409#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 67408#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 67411#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 67410#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 67413#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 67412#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 67415#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 67414#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 67417#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 67416#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 67419#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 67418#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 67421#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 67420#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 67423#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 67422#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 67425#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 67424#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 67427#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 67426#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 67429#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 67428#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 67431#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 67430#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 67433#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 67432#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 67435#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 67434#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 67437#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 67436#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 67439#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 67438#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 67441#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 67440#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 67443#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 67442#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 67445#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 67444#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 67447#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 67446#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 67449#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 67448#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 67451#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 67450#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 67453#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 67452#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 67455#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 67454#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 67457#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 67456#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 67459#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 67458#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 67461#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 67460#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 67463#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 67462#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 67465#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 67464#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 67467#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 67466#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 67469#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 67468#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 67471#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 67470#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 67473#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 67472#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 67475#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 67474#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 67477#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 67476#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 67479#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 67478#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 67481#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 67480#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 67483#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 67482#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 67485#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 67484#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 67486#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:45,272 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:47:45,272 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:47:45,272 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=14521, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:47:45,273 INFO L87 Difference]: Start difference. First operand 243 states and 243 transitions. Second operand 122 states. [2018-07-23 13:47:46,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:46,535 INFO L93 Difference]: Finished difference Result 247 states and 247 transitions. [2018-07-23 13:47:46,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:47:46,535 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 242 [2018-07-23 13:47:46,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:46,536 INFO L225 Difference]: With dead ends: 247 [2018-07-23 13:47:46,536 INFO L226 Difference]: Without dead ends: 245 [2018-07-23 13:47:46,537 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=241, Invalid=14521, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:47:46,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-07-23 13:47:46,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2018-07-23 13:47:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-07-23 13:47:46,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 245 transitions. [2018-07-23 13:47:46,546 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 245 transitions. Word has length 242 [2018-07-23 13:47:46,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:46,546 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 245 transitions. [2018-07-23 13:47:46,546 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:47:46,546 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 245 transitions. [2018-07-23 13:47:46,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-07-23 13:47:46,547 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:46,548 INFO L357 BasicCegarLoop]: trace histogram [121, 120, 1, 1, 1] [2018-07-23 13:47:46,548 INFO L414 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:46,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1402406135, now seen corresponding path program 120 times [2018-07-23 13:47:46,548 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:47,448 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:47,448 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:47,448 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:47:47,448 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:47,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:47,449 INFO L185 omatonBuilderFactory]: Interpolants [68471#true, 68473#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 68472#false, 68475#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 68474#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 68477#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 68476#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 68479#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 68478#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 68481#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 68480#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 68483#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 68482#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 68485#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 68484#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 68487#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 68486#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 68489#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 68488#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 68491#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 68490#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 68493#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 68492#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 68495#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 68494#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 68497#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 68496#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 68499#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 68498#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 68501#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 68500#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 68503#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 68502#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 68505#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 68504#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 68507#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 68506#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 68509#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 68508#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 68511#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 68510#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 68513#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 68512#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 68515#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 68514#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 68517#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 68516#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 68519#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 68518#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 68521#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 68520#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 68523#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 68522#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 68525#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 68524#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 68527#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 68526#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 68529#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 68528#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 68531#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 68530#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 68533#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 68532#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 68535#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 68534#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 68537#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 68536#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 68539#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 68538#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 68541#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 68540#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 68543#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 68542#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 68545#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 68544#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 68547#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 68546#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 68549#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 68548#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 68551#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 68550#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 68553#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 68552#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 68555#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 68554#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 68557#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 68556#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 68559#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 68558#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 68561#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 68560#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 68563#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 68562#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 68565#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 68564#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 68567#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 68566#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 68569#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 68568#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 68571#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 68570#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 68573#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 68572#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 68575#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 68574#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 68577#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 68576#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 68579#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 68578#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 68581#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 68580#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 68583#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 68582#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 68585#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 68584#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 68587#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 68586#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 68589#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 68588#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 68591#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 68590#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 68593#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 68592#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:47,450 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:47:47,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:47:47,451 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=14763, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:47:47,451 INFO L87 Difference]: Start difference. First operand 245 states and 245 transitions. Second operand 123 states. [2018-07-23 13:47:48,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:48,713 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2018-07-23 13:47:48,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:47:48,713 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 244 [2018-07-23 13:47:48,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:48,714 INFO L225 Difference]: With dead ends: 249 [2018-07-23 13:47:48,714 INFO L226 Difference]: Without dead ends: 247 [2018-07-23 13:47:48,715 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=243, Invalid=14763, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:47:48,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-07-23 13:47:48,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-07-23 13:47:48,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-07-23 13:47:48,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2018-07-23 13:47:48,722 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 244 [2018-07-23 13:47:48,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:48,722 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2018-07-23 13:47:48,722 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:47:48,722 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2018-07-23 13:47:48,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-07-23 13:47:48,723 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:48,723 INFO L357 BasicCegarLoop]: trace histogram [122, 121, 1, 1, 1] [2018-07-23 13:47:48,723 INFO L414 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:48,723 INFO L82 PathProgramCache]: Analyzing trace with hash -907383119, now seen corresponding path program 121 times [2018-07-23 13:47:48,723 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:49,601 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:49,601 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:49,601 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:47:49,602 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:49,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:49,602 INFO L185 omatonBuilderFactory]: Interpolants [69633#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 69632#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 69635#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 69634#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 69637#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 69636#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 69639#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 69638#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 69641#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 69640#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 69643#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 69642#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 69645#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 69644#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 69647#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 69646#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 69649#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 69648#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 69651#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 69650#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 69653#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 69652#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 69655#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 69654#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 69657#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 69656#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 69659#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 69658#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 69661#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 69660#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 69663#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 69662#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 69665#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 69664#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 69667#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 69666#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 69669#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 69668#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 69671#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 69670#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 69673#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 69672#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 69675#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 69674#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 69677#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 69676#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 69679#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 69678#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 69681#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 69680#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 69683#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 69682#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 69685#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 69684#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 69687#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 69686#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 69689#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 69688#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 69691#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 69690#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 69693#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 69692#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 69695#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 69694#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 69697#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 69696#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 69699#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 69698#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 69701#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 69700#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 69703#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 69702#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 69705#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 69704#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 69707#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 69706#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 69709#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 69708#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 69587#false, 69586#true, 69589#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 69588#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 69591#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 69590#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 69593#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 69592#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 69595#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 69594#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 69597#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 69596#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 69599#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 69598#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 69601#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 69600#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 69603#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 69602#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 69605#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 69604#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 69607#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 69606#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 69609#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 69608#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 69611#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 69610#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 69613#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 69612#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 69615#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 69614#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 69617#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 69616#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 69619#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 69618#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 69621#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 69620#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 69623#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 69622#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 69625#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 69624#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 69627#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 69626#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 69629#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 69628#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 69631#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 69630#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84))] [2018-07-23 13:47:49,603 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:49,603 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:47:49,603 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:47:49,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=15007, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:47:49,604 INFO L87 Difference]: Start difference. First operand 247 states and 247 transitions. Second operand 124 states. [2018-07-23 13:47:50,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:50,862 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2018-07-23 13:47:50,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:47:50,862 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 246 [2018-07-23 13:47:50,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:50,863 INFO L225 Difference]: With dead ends: 251 [2018-07-23 13:47:50,863 INFO L226 Difference]: Without dead ends: 249 [2018-07-23 13:47:50,864 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=245, Invalid=15007, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:47:50,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-07-23 13:47:50,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2018-07-23 13:47:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-07-23 13:47:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2018-07-23 13:47:50,874 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 246 [2018-07-23 13:47:50,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:50,874 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2018-07-23 13:47:50,874 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:47:50,874 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2018-07-23 13:47:50,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 13:47:50,875 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:50,875 INFO L357 BasicCegarLoop]: trace histogram [123, 122, 1, 1, 1] [2018-07-23 13:47:50,876 INFO L414 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:50,876 INFO L82 PathProgramCache]: Analyzing trace with hash -116764181, now seen corresponding path program 122 times [2018-07-23 13:47:50,876 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:51,808 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:51,809 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:47:51,809 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:51,809 INFO L185 omatonBuilderFactory]: Interpolants [70711#false, 70710#true, 70713#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 70712#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 70715#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 70714#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 70717#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 70716#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 70719#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 70718#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 70721#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 70720#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 70723#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 70722#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 70725#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 70724#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 70727#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 70726#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 70729#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 70728#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 70731#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 70730#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 70733#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 70732#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 70735#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 70734#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 70737#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 70736#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 70739#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 70738#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 70741#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 70740#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 70743#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 70742#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 70745#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 70744#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 70747#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 70746#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 70749#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 70748#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 70751#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 70750#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 70753#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 70752#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 70755#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 70754#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 70757#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 70756#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 70759#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 70758#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 70761#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 70760#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 70763#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 70762#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 70765#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 70764#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 70767#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 70766#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 70769#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 70768#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 70771#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 70770#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 70773#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 70772#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 70775#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 70774#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 70777#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 70776#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 70779#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 70778#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 70781#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 70780#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 70783#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 70782#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 70785#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 70784#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 70787#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 70786#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 70789#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 70788#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 70791#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 70790#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 70793#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 70792#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 70795#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 70794#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 70797#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 70796#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 70799#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 70798#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 70801#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 70800#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 70803#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 70802#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 70805#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 70804#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 70807#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 70806#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 70809#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 70808#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 70811#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 70810#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 70813#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 70812#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 70815#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 70814#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 70817#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 70816#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 70819#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 70818#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 70821#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 70820#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 70823#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 70822#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 70825#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 70824#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 70827#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 70826#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 70829#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 70828#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 70831#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 70830#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 70833#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 70832#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 70834#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:51,810 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:47:51,810 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:47:51,811 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=15253, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:47:51,811 INFO L87 Difference]: Start difference. First operand 249 states and 249 transitions. Second operand 125 states. [2018-07-23 13:47:53,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:53,122 INFO L93 Difference]: Finished difference Result 253 states and 253 transitions. [2018-07-23 13:47:53,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:47:53,123 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 248 [2018-07-23 13:47:53,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:53,123 INFO L225 Difference]: With dead ends: 253 [2018-07-23 13:47:53,123 INFO L226 Difference]: Without dead ends: 251 [2018-07-23 13:47:53,125 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=247, Invalid=15253, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:47:53,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-07-23 13:47:53,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-07-23 13:47:53,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-07-23 13:47:53,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2018-07-23 13:47:53,132 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 251 transitions. Word has length 248 [2018-07-23 13:47:53,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:53,132 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 251 transitions. [2018-07-23 13:47:53,132 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:47:53,132 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2018-07-23 13:47:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 13:47:53,133 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:53,133 INFO L357 BasicCegarLoop]: trace histogram [124, 123, 1, 1, 1] [2018-07-23 13:47:53,134 INFO L414 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:53,134 INFO L82 PathProgramCache]: Analyzing trace with hash -541176155, now seen corresponding path program 123 times [2018-07-23 13:47:53,134 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:54,060 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:54,060 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:54,061 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:47:54,061 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:54,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:54,061 INFO L185 omatonBuilderFactory]: Interpolants [71937#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 71936#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 71939#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 71938#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 71941#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 71940#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 71943#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 71942#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 71945#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 71944#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 71947#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 71946#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 71949#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 71948#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 71951#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 71950#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 71953#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 71952#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 71955#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 71954#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 71957#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 71956#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 71959#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 71958#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 71961#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 71960#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 71963#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 71962#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 71965#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 71964#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 71967#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 71966#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 71968#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 71843#true, 71845#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 71844#false, 71847#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 71846#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 71849#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 71848#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 71851#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 71850#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 71853#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 71852#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 71855#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 71854#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 71857#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 71856#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 71859#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 71858#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 71861#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 71860#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 71863#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 71862#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 71865#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 71864#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 71867#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 71866#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 71869#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 71868#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 71871#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 71870#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 71873#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 71872#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 71875#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 71874#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 71877#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 71876#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 71879#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 71878#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 71881#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 71880#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 71883#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 71882#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 71885#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 71884#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 71887#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 71886#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 71889#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 71888#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 71891#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 71890#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 71893#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 71892#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 71895#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 71894#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 71897#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 71896#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 71899#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 71898#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 71901#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 71900#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 71903#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 71902#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 71905#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 71904#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 71907#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 71906#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 71909#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 71908#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 71911#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 71910#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 71913#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 71912#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 71915#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 71914#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 71917#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 71916#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 71919#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 71918#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 71921#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 71920#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 71923#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 71922#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 71925#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 71924#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 71927#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 71926#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 71929#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 71928#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 71931#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 71930#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 71933#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 71932#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 71935#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 71934#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:54,062 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:47:54,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:47:54,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=15501, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:47:54,063 INFO L87 Difference]: Start difference. First operand 251 states and 251 transitions. Second operand 126 states. [2018-07-23 13:47:55,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:55,437 INFO L93 Difference]: Finished difference Result 255 states and 255 transitions. [2018-07-23 13:47:55,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:47:55,438 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 250 [2018-07-23 13:47:55,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:55,438 INFO L225 Difference]: With dead ends: 255 [2018-07-23 13:47:55,438 INFO L226 Difference]: Without dead ends: 253 [2018-07-23 13:47:55,439 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=249, Invalid=15501, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:47:55,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-07-23 13:47:55,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-07-23 13:47:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-07-23 13:47:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 253 transitions. [2018-07-23 13:47:55,445 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 253 transitions. Word has length 250 [2018-07-23 13:47:55,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:55,446 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 253 transitions. [2018-07-23 13:47:55,446 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:47:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 253 transitions. [2018-07-23 13:47:55,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-07-23 13:47:55,447 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:55,447 INFO L357 BasicCegarLoop]: trace histogram [125, 124, 1, 1, 1] [2018-07-23 13:47:55,447 INFO L414 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:55,448 INFO L82 PathProgramCache]: Analyzing trace with hash -379190049, now seen corresponding path program 124 times [2018-07-23 13:47:55,448 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:56,364 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:56,365 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:47:56,365 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:56,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:56,365 INFO L185 omatonBuilderFactory]: Interpolants [72985#true, 72987#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 72986#false, 72989#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 72988#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 72991#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 72990#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 72993#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 72992#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 72995#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 72994#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 72997#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 72996#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 72999#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 72998#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 73001#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 73000#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 73003#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 73002#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 73005#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 73004#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 73007#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 73006#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 73009#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 73008#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 73011#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 73010#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 73013#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 73012#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 73015#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 73014#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 73017#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 73016#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 73019#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 73018#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 73021#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 73020#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 73023#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 73022#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 73025#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 73024#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 73027#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 73026#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 73029#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 73028#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 73031#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 73030#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 73033#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 73032#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 73035#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 73034#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 73037#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 73036#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 73039#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 73038#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 73041#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 73040#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 73043#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 73042#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 73045#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 73044#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 73047#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 73046#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 73049#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 73048#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 73051#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 73050#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 73053#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 73052#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 73055#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 73054#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 73057#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 73056#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 73059#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 73058#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 73061#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 73060#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 73063#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 73062#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 73065#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 73064#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 73067#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 73066#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 73069#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 73068#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 73071#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 73070#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 73073#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 73072#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 73075#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 73074#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 73077#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 73076#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 73079#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 73078#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 73081#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 73080#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 73083#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 73082#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 73085#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 73084#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 73087#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 73086#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 73089#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 73088#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 73091#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 73090#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 73093#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 73092#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 73095#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 73094#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 73097#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 73096#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 73099#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 73098#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 73101#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 73100#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 73103#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 73102#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 73105#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 73104#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 73107#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 73106#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 73109#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 73108#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 73111#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 73110#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:56,366 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:56,366 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:47:56,367 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:47:56,367 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=15751, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:47:56,367 INFO L87 Difference]: Start difference. First operand 253 states and 253 transitions. Second operand 127 states. [2018-07-23 13:47:57,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:47:57,716 INFO L93 Difference]: Finished difference Result 257 states and 257 transitions. [2018-07-23 13:47:57,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:47:57,717 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 252 [2018-07-23 13:47:57,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:47:57,718 INFO L225 Difference]: With dead ends: 257 [2018-07-23 13:47:57,718 INFO L226 Difference]: Without dead ends: 255 [2018-07-23 13:47:57,719 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=251, Invalid=15751, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:47:57,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-07-23 13:47:57,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-07-23 13:47:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-07-23 13:47:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 255 transitions. [2018-07-23 13:47:57,728 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 255 transitions. Word has length 252 [2018-07-23 13:47:57,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:47:57,729 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 255 transitions. [2018-07-23 13:47:57,729 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:47:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 255 transitions. [2018-07-23 13:47:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-23 13:47:57,730 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:47:57,730 INFO L357 BasicCegarLoop]: trace histogram [126, 125, 1, 1, 1] [2018-07-23 13:47:57,730 INFO L414 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:47:57,730 INFO L82 PathProgramCache]: Analyzing trace with hash 670635161, now seen corresponding path program 125 times [2018-07-23 13:47:57,731 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:47:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:47:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:58,682 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:47:58,682 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:47:58,682 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:47:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:58,683 INFO L185 omatonBuilderFactory]: Interpolants [74241#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 74240#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 74243#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 74242#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 74245#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 74244#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 74247#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 74246#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 74249#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 74248#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 74251#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 74250#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 74253#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 74252#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 74255#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 74254#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 74257#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 74256#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 74259#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 74258#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 74261#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 74260#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 74263#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 74262#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 74137#false, 74136#true, 74139#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 74138#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 74141#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 74140#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 74143#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 74142#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 74145#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 74144#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 74147#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 74146#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 74149#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 74148#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 74151#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 74150#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 74153#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 74152#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 74155#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 74154#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 74157#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 74156#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 74159#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 74158#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 74161#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 74160#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 74163#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 74162#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 74165#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 74164#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 74167#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 74166#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 74169#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 74168#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 74171#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 74170#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 74173#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 74172#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 74175#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 74174#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 74177#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 74176#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 74179#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 74178#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 74181#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 74180#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 74183#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 74182#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 74185#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 74184#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 74187#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 74186#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 74189#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 74188#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 74191#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 74190#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 74193#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 74192#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 74195#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 74194#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 74197#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 74196#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 74199#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 74198#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 74201#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 74200#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 74203#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 74202#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 74205#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 74204#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 74207#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 74206#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 74209#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 74208#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 74211#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 74210#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 74213#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 74212#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 74215#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 74214#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 74217#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 74216#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 74219#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 74218#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 74221#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 74220#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 74223#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 74222#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 74225#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 74224#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 74227#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 74226#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 74229#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 74228#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 74231#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 74230#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 74233#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 74232#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 74235#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 74234#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 74237#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 74236#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 74239#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 74238#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5))] [2018-07-23 13:47:58,684 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:47:58,684 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:47:58,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:47:58,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=16003, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:47:58,685 INFO L87 Difference]: Start difference. First operand 255 states and 255 transitions. Second operand 128 states. [2018-07-23 13:48:00,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:00,058 INFO L93 Difference]: Finished difference Result 259 states and 259 transitions. [2018-07-23 13:48:00,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:48:00,058 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 254 [2018-07-23 13:48:00,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:00,059 INFO L225 Difference]: With dead ends: 259 [2018-07-23 13:48:00,059 INFO L226 Difference]: Without dead ends: 257 [2018-07-23 13:48:00,060 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=253, Invalid=16003, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:48:00,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-07-23 13:48:00,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2018-07-23 13:48:00,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-07-23 13:48:00,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 257 transitions. [2018-07-23 13:48:00,069 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 257 transitions. Word has length 254 [2018-07-23 13:48:00,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:00,070 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 257 transitions. [2018-07-23 13:48:00,070 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:48:00,070 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 257 transitions. [2018-07-23 13:48:00,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-23 13:48:00,071 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:00,071 INFO L357 BasicCegarLoop]: trace histogram [127, 126, 1, 1, 1] [2018-07-23 13:48:00,071 INFO L414 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:00,071 INFO L82 PathProgramCache]: Analyzing trace with hash 235347411, now seen corresponding path program 126 times [2018-07-23 13:48:00,071 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:01,128 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:01,128 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:48:01,128 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:01,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:01,129 INFO L185 omatonBuilderFactory]: Interpolants [75297#false, 75296#true, 75299#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 75298#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 75301#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 75300#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 75303#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 75302#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 75305#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 75304#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 75307#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 75306#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 75309#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 75308#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 75311#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 75310#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 75313#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 75312#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 75315#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 75314#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 75317#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 75316#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 75319#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 75318#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 75321#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 75320#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 75323#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 75322#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 75325#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 75324#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 75327#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 75326#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 75329#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 75328#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 75331#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 75330#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 75333#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 75332#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 75335#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 75334#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 75337#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 75336#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 75339#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 75338#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 75341#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 75340#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 75343#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 75342#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 75345#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 75344#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 75347#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 75346#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 75349#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 75348#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 75351#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 75350#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 75353#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 75352#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 75355#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 75354#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 75357#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 75356#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 75359#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 75358#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 75361#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 75360#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 75363#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 75362#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 75365#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 75364#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 75367#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 75366#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 75369#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 75368#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 75371#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 75370#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 75373#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 75372#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 75375#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 75374#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 75377#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 75376#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 75379#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 75378#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 75381#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 75380#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 75383#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 75382#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 75385#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 75384#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 75387#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 75386#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 75389#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 75388#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 75391#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 75390#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 75393#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 75392#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 75395#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 75394#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 75397#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 75396#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 75399#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 75398#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 75401#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 75400#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 75403#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 75402#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 75405#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 75404#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 75407#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 75406#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 75409#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 75408#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 75411#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 75410#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 75413#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 75412#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 75415#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 75414#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 75417#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 75416#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 75419#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 75418#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 75421#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 75420#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 75423#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 75422#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 75424#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5))] [2018-07-23 13:48:01,130 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:01,130 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:48:01,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:48:01,131 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=16257, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:48:01,131 INFO L87 Difference]: Start difference. First operand 257 states and 257 transitions. Second operand 129 states. [2018-07-23 13:48:02,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:02,513 INFO L93 Difference]: Finished difference Result 261 states and 261 transitions. [2018-07-23 13:48:02,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:48:02,513 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 256 [2018-07-23 13:48:02,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:02,514 INFO L225 Difference]: With dead ends: 261 [2018-07-23 13:48:02,514 INFO L226 Difference]: Without dead ends: 259 [2018-07-23 13:48:02,515 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=255, Invalid=16257, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:48:02,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-07-23 13:48:02,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2018-07-23 13:48:02,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-07-23 13:48:02,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 259 transitions. [2018-07-23 13:48:02,523 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 259 transitions. Word has length 256 [2018-07-23 13:48:02,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:02,524 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 259 transitions. [2018-07-23 13:48:02,524 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:48:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 259 transitions. [2018-07-23 13:48:02,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-07-23 13:48:02,525 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:02,525 INFO L357 BasicCegarLoop]: trace histogram [128, 127, 1, 1, 1] [2018-07-23 13:48:02,525 INFO L414 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:02,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1464352627, now seen corresponding path program 127 times [2018-07-23 13:48:02,526 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:03,543 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:03,543 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:48:03,544 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:03,545 INFO L185 omatonBuilderFactory]: Interpolants [76545#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 76544#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 76547#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 76546#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 76549#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 76548#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 76551#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 76550#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 76553#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 76552#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 76555#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 76554#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 76557#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 76556#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 76559#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 76558#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 76561#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 76560#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 76563#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 76562#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 76565#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 76564#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 76567#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 76566#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 76569#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 76568#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 76571#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 76570#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 76573#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 76572#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 76575#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 76574#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 76577#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 76576#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 76579#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 76578#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 76581#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 76580#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 76583#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 76582#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 76585#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 76584#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 76587#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 76586#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 76589#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 76588#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 76591#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 76590#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 76593#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 76592#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 76594#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 76465#true, 76467#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 76466#false, 76469#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 76468#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 76471#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 76470#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 76473#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 76472#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 76475#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 76474#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 76477#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 76476#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 76479#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 76478#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 76481#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 76480#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 76483#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 76482#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 76485#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 76484#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 76487#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 76486#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 76489#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 76488#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 76491#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 76490#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 76493#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 76492#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 76495#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 76494#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 76497#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 76496#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 76499#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 76498#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 76501#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 76500#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 76503#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 76502#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 76505#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 76504#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 76507#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 76506#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 76509#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 76508#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 76511#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 76510#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 76513#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 76512#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 76515#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 76514#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 76517#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 76516#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 76519#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 76518#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 76521#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 76520#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 76523#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 76522#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 76525#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 76524#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 76527#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 76526#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 76529#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 76528#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 76531#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 76530#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 76533#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 76532#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 76535#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 76534#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 76537#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 76536#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 76539#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 76538#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 76541#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 76540#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 76543#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 76542#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5))] [2018-07-23 13:48:03,546 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:03,546 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:48:03,546 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:48:03,547 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=16513, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:48:03,547 INFO L87 Difference]: Start difference. First operand 259 states and 259 transitions. Second operand 130 states. [2018-07-23 13:48:04,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:04,942 INFO L93 Difference]: Finished difference Result 263 states and 263 transitions. [2018-07-23 13:48:04,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:48:04,943 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 258 [2018-07-23 13:48:04,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:04,944 INFO L225 Difference]: With dead ends: 263 [2018-07-23 13:48:04,944 INFO L226 Difference]: Without dead ends: 261 [2018-07-23 13:48:04,945 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=257, Invalid=16513, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:48:04,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-07-23 13:48:04,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-07-23 13:48:04,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-07-23 13:48:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 261 transitions. [2018-07-23 13:48:04,953 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 261 transitions. Word has length 258 [2018-07-23 13:48:04,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:04,953 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 261 transitions. [2018-07-23 13:48:04,953 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:48:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 261 transitions. [2018-07-23 13:48:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-07-23 13:48:04,954 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:04,954 INFO L357 BasicCegarLoop]: trace histogram [129, 128, 1, 1, 1] [2018-07-23 13:48:04,955 INFO L414 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:04,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1506450631, now seen corresponding path program 128 times [2018-07-23 13:48:04,955 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:05,922 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:05,922 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:48:05,922 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:05,923 INFO L185 omatonBuilderFactory]: Interpolants [77643#true, 77645#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 77644#false, 77647#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 77646#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 77649#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 77648#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 77651#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 77650#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 77653#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 77652#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 77655#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 77654#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 77657#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 77656#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 77659#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 77658#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 77661#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 77660#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 77663#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 77662#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 77665#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 77664#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 77667#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 77666#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 77669#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 77668#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 77671#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 77670#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 77673#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 77672#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 77675#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 77674#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 77677#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 77676#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 77679#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 77678#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 77681#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 77680#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 77683#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 77682#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 77685#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 77684#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 77687#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 77686#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 77689#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 77688#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 77691#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 77690#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 77693#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 77692#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 77695#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 77694#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 77697#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 77696#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 77699#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 77698#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 77701#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 77700#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 77703#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 77702#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 77705#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 77704#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 77707#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 77706#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 77709#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 77708#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 77711#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 77710#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 77713#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 77712#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 77715#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 77714#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 77717#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 77716#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 77719#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 77718#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 77721#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 77720#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 77723#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 77722#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 77725#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 77724#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 77727#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 77726#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 77729#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 77728#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 77731#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 77730#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 77733#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 77732#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 77735#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 77734#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 77737#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 77736#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 77739#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 77738#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 77741#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 77740#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 77743#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 77742#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 77745#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 77744#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 77747#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 77746#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 77749#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 77748#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 77751#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 77750#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 77753#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 77752#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 77755#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 77754#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 77757#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 77756#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 77759#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 77758#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 77761#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 77760#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 77763#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 77762#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 77765#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 77764#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 77767#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 77766#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 77769#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 77768#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 77771#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 77770#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 77773#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 77772#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5))] [2018-07-23 13:48:05,924 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:05,924 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:48:05,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:48:05,925 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=16771, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:48:05,925 INFO L87 Difference]: Start difference. First operand 261 states and 261 transitions. Second operand 131 states. [2018-07-23 13:48:07,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:07,398 INFO L93 Difference]: Finished difference Result 265 states and 265 transitions. [2018-07-23 13:48:07,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:48:07,399 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 260 [2018-07-23 13:48:07,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:07,399 INFO L225 Difference]: With dead ends: 265 [2018-07-23 13:48:07,399 INFO L226 Difference]: Without dead ends: 263 [2018-07-23 13:48:07,400 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=259, Invalid=16771, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:48:07,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-07-23 13:48:07,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2018-07-23 13:48:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-07-23 13:48:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 263 transitions. [2018-07-23 13:48:07,406 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 263 transitions. Word has length 260 [2018-07-23 13:48:07,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:07,406 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 263 transitions. [2018-07-23 13:48:07,406 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:48:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 263 transitions. [2018-07-23 13:48:07,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-07-23 13:48:07,407 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:07,407 INFO L357 BasicCegarLoop]: trace histogram [130, 129, 1, 1, 1] [2018-07-23 13:48:07,407 INFO L414 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:07,407 INFO L82 PathProgramCache]: Analyzing trace with hash 295129729, now seen corresponding path program 129 times [2018-07-23 13:48:07,408 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:08,375 INFO L134 CoverageAnalysis]: Checked inductivity of 16770 backedges. 0 proven. 16770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:08,375 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:08,376 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:48:08,376 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:08,376 INFO L185 omatonBuilderFactory]: Interpolants [78849#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 78848#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 78851#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 78850#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 78853#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 78852#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 78855#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 78854#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 78857#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 78856#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 78859#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 78858#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 78861#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 78860#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 78863#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 78862#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 78865#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 78864#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 78867#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 78866#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 78869#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 78868#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 78871#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 78870#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 78873#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 78872#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 78875#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 78874#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 78877#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 78876#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 78879#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 78878#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 78881#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 78880#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 78883#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 78882#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 78885#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 78884#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 78887#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 78886#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 78889#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 78888#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 78891#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 78890#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 78893#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 78892#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 78895#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 78894#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 78897#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 78896#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 78899#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 78898#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 78901#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 78900#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 78903#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 78902#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 78905#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 78904#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 78907#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 78906#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 78909#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 78908#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 78911#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 78910#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 78913#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 78912#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 78915#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 78914#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 78917#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 78916#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 78919#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 78918#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 78921#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 78920#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 78923#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 78922#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 78925#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 78924#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 78927#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 78926#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 78929#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 78928#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 78931#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 78930#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 78933#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 78932#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 78935#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 78934#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 78937#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 78936#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 78939#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 78938#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 78941#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 78940#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 78943#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 78942#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 78945#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 78944#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 78947#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 78946#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 78949#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 78948#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 78951#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 78950#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 78953#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 78952#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 78955#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 78954#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 78957#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 78956#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 78959#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 78958#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 78961#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 78960#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 78831#false, 78830#true, 78833#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 78832#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 78835#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 78834#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 78837#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 78836#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 78839#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 78838#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 78841#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 78840#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 78843#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 78842#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 78845#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 78844#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 78847#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 78846#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5))] [2018-07-23 13:48:08,377 INFO L134 CoverageAnalysis]: Checked inductivity of 16770 backedges. 0 proven. 16770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:08,377 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:48:08,378 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:48:08,378 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=17031, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:48:08,378 INFO L87 Difference]: Start difference. First operand 263 states and 263 transitions. Second operand 132 states. [2018-07-23 13:48:09,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:09,807 INFO L93 Difference]: Finished difference Result 267 states and 267 transitions. [2018-07-23 13:48:09,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:48:09,807 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 262 [2018-07-23 13:48:09,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:09,808 INFO L225 Difference]: With dead ends: 267 [2018-07-23 13:48:09,808 INFO L226 Difference]: Without dead ends: 265 [2018-07-23 13:48:09,809 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=17031, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:48:09,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-07-23 13:48:09,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-07-23 13:48:09,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-07-23 13:48:09,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 265 transitions. [2018-07-23 13:48:09,818 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 265 transitions. Word has length 262 [2018-07-23 13:48:09,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:09,818 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 265 transitions. [2018-07-23 13:48:09,819 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:48:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 265 transitions. [2018-07-23 13:48:09,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-07-23 13:48:09,820 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:09,820 INFO L357 BasicCegarLoop]: trace histogram [131, 130, 1, 1, 1] [2018-07-23 13:48:09,820 INFO L414 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:09,820 INFO L82 PathProgramCache]: Analyzing trace with hash 151880123, now seen corresponding path program 130 times [2018-07-23 13:48:09,820 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 17030 backedges. 0 proven. 17030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:10,923 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:10,923 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:48:10,923 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:10,924 INFO L185 omatonBuilderFactory]: Interpolants [80129#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 80128#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 80131#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 80130#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 80133#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 80132#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 80135#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 80134#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 80137#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 80136#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 80139#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 80138#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 80141#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 80140#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 80143#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 80142#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 80145#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 80144#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 80147#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 80146#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 80149#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 80148#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 80151#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 80150#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 80153#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 80152#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 80155#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 80154#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 80157#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 80156#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 80158#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 80027#false, 80026#true, 80029#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 80028#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 80031#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 80030#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 80033#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 80032#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 80035#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 80034#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 80037#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 80036#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 80039#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 80038#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 80041#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 80040#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 80043#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 80042#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 80045#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 80044#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 80047#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 80046#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 80049#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 80048#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 80051#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 80050#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 80053#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 80052#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 80055#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 80054#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 80057#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 80056#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 80059#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 80058#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 80061#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 80060#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 80063#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 80062#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 80065#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 80064#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 80067#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 80066#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 80069#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 80068#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 80071#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 80070#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 80073#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 80072#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 80075#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 80074#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 80077#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 80076#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 80079#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 80078#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 80081#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 80080#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 80083#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 80082#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 80085#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 80084#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 80087#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 80086#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 80089#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 80088#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 80091#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 80090#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 80093#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 80092#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 80095#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 80094#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 80097#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 80096#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 80099#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 80098#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 80101#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 80100#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 80103#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 80102#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 80105#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 80104#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 80107#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 80106#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 80109#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 80108#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 80111#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 80110#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 80113#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 80112#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 80115#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 80114#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 80117#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 80116#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 80119#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 80118#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 80121#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 80120#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 80123#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 80122#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 80125#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 80124#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 80127#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 80126#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5))] [2018-07-23 13:48:10,925 INFO L134 CoverageAnalysis]: Checked inductivity of 17030 backedges. 0 proven. 17030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:10,925 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:48:10,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:48:10,926 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=17293, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:48:10,926 INFO L87 Difference]: Start difference. First operand 265 states and 265 transitions. Second operand 133 states. [2018-07-23 13:48:12,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:12,363 INFO L93 Difference]: Finished difference Result 269 states and 269 transitions. [2018-07-23 13:48:12,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:48:12,363 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 264 [2018-07-23 13:48:12,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:12,364 INFO L225 Difference]: With dead ends: 269 [2018-07-23 13:48:12,364 INFO L226 Difference]: Without dead ends: 267 [2018-07-23 13:48:12,364 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=263, Invalid=17293, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:48:12,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-07-23 13:48:12,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2018-07-23 13:48:12,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-07-23 13:48:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 267 transitions. [2018-07-23 13:48:12,371 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 267 transitions. Word has length 264 [2018-07-23 13:48:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:12,371 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 267 transitions. [2018-07-23 13:48:12,371 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:48:12,372 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 267 transitions. [2018-07-23 13:48:12,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-07-23 13:48:12,372 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:12,372 INFO L357 BasicCegarLoop]: trace histogram [132, 131, 1, 1, 1] [2018-07-23 13:48:12,373 INFO L414 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:12,373 INFO L82 PathProgramCache]: Analyzing trace with hash -72037771, now seen corresponding path program 131 times [2018-07-23 13:48:12,373 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 17292 backedges. 0 proven. 17292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:13,434 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:13,434 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:48:13,434 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:13,435 INFO L185 omatonBuilderFactory]: Interpolants [81231#true, 81233#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 81232#false, 81235#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 81234#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 81237#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 81236#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 81239#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 81238#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 81241#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 81240#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 81243#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 81242#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 81245#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 81244#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 81247#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 81246#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 81249#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 81248#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 81251#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 81250#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 81253#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 81252#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 81255#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 81254#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 81257#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 81256#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 81259#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 81258#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 81261#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 81260#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 81263#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 81262#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 81265#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 81264#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 81267#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 81266#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 81269#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 81268#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 81271#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 81270#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 81273#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 81272#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 81275#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 81274#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 81277#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 81276#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 81279#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 81278#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 81281#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 81280#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 81283#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 81282#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 81285#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 81284#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 81287#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 81286#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 81289#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 81288#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 81291#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 81290#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 81293#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 81292#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 81295#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 81294#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 81297#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 81296#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 81299#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 81298#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 81301#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 81300#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 81303#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 81302#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 81305#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 81304#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 81307#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 81306#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 81309#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 81308#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 81311#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 81310#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 81313#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 81312#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 81315#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 81314#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 81317#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 81316#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 81319#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 81318#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 81321#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 81320#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 81323#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 81322#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 81325#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 81324#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 81327#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 81326#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 81329#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 81328#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 81331#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 81330#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 81333#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 81332#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 81335#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 81334#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 81337#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 81336#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 81339#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 81338#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 81341#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 81340#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 81343#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 81342#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 81345#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 81344#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 81347#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 81346#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 81349#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 81348#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 81351#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 81350#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 81353#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 81352#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 81355#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 81354#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 81357#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 81356#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 81359#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 81358#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 81361#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 81360#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 81363#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 81362#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 81364#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262))] [2018-07-23 13:48:13,436 INFO L134 CoverageAnalysis]: Checked inductivity of 17292 backedges. 0 proven. 17292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:13,436 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:48:13,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:48:13,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=17557, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:48:13,437 INFO L87 Difference]: Start difference. First operand 267 states and 267 transitions. Second operand 134 states. [2018-07-23 13:48:14,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:14,943 INFO L93 Difference]: Finished difference Result 271 states and 271 transitions. [2018-07-23 13:48:14,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:48:14,944 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 266 [2018-07-23 13:48:14,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:14,944 INFO L225 Difference]: With dead ends: 271 [2018-07-23 13:48:14,945 INFO L226 Difference]: Without dead ends: 269 [2018-07-23 13:48:14,946 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=265, Invalid=17557, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:48:14,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-07-23 13:48:14,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2018-07-23 13:48:14,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-07-23 13:48:14,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 269 transitions. [2018-07-23 13:48:14,953 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 269 transitions. Word has length 266 [2018-07-23 13:48:14,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:14,953 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 269 transitions. [2018-07-23 13:48:14,953 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:48:14,953 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 269 transitions. [2018-07-23 13:48:14,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-07-23 13:48:14,954 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:14,954 INFO L357 BasicCegarLoop]: trace histogram [133, 132, 1, 1, 1] [2018-07-23 13:48:14,954 INFO L414 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:14,954 INFO L82 PathProgramCache]: Analyzing trace with hash -508769105, now seen corresponding path program 132 times [2018-07-23 13:48:14,955 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:16,060 INFO L134 CoverageAnalysis]: Checked inductivity of 17556 backedges. 0 proven. 17556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:16,060 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:16,060 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:48:16,061 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:16,061 INFO L185 omatonBuilderFactory]: Interpolants [82445#true, 82447#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 82446#false, 82449#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 82448#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 82451#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 82450#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 82453#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 82452#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 82455#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 82454#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 82457#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 82456#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 82459#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 82458#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 82461#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 82460#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 82463#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 82462#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 82465#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 82464#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 82467#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 82466#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 82469#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 82468#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 82471#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 82470#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 82473#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 82472#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 82475#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 82474#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 82477#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 82476#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 82479#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 82478#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 82481#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 82480#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 82483#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 82482#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 82485#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 82484#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 82487#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 82486#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 82489#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 82488#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 82491#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 82490#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 82493#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 82492#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 82495#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 82494#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 82497#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 82496#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 82499#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 82498#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 82501#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 82500#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 82503#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 82502#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 82505#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 82504#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 82507#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 82506#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 82509#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 82508#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 82511#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 82510#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 82513#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 82512#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 82515#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 82514#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 82517#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 82516#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 82519#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 82518#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 82521#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 82520#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 82523#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 82522#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 82525#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 82524#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 82527#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 82526#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 82529#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 82528#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 82531#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 82530#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 82533#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 82532#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 82535#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 82534#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 82537#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 82536#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 82539#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 82538#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 82541#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 82540#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 82543#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 82542#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 82545#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 82544#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 82547#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 82546#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 82549#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 82548#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 82551#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 82550#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 82553#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 82552#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 82555#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 82554#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 82557#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 82556#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 82559#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 82558#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 82561#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 82560#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 82563#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 82562#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 82565#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 82564#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 82567#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 82566#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 82569#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 82568#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 82571#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 82570#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 82573#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 82572#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 82575#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 82574#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 82577#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 82576#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 82579#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 82578#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262))] [2018-07-23 13:48:16,063 INFO L134 CoverageAnalysis]: Checked inductivity of 17556 backedges. 0 proven. 17556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:16,063 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:48:16,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:48:16,064 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=17823, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:48:16,065 INFO L87 Difference]: Start difference. First operand 269 states and 269 transitions. Second operand 135 states. [2018-07-23 13:48:17,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:17,627 INFO L93 Difference]: Finished difference Result 273 states and 273 transitions. [2018-07-23 13:48:17,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:48:17,628 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 268 [2018-07-23 13:48:17,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:17,629 INFO L225 Difference]: With dead ends: 273 [2018-07-23 13:48:17,629 INFO L226 Difference]: Without dead ends: 271 [2018-07-23 13:48:17,630 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=267, Invalid=17823, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:48:17,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-07-23 13:48:17,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2018-07-23 13:48:17,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-07-23 13:48:17,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 271 transitions. [2018-07-23 13:48:17,638 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 271 transitions. Word has length 268 [2018-07-23 13:48:17,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:17,638 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 271 transitions. [2018-07-23 13:48:17,638 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:48:17,638 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 271 transitions. [2018-07-23 13:48:17,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-07-23 13:48:17,639 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:17,639 INFO L357 BasicCegarLoop]: trace histogram [134, 133, 1, 1, 1] [2018-07-23 13:48:17,639 INFO L414 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:17,639 INFO L82 PathProgramCache]: Analyzing trace with hash 699213929, now seen corresponding path program 133 times [2018-07-23 13:48:17,639 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 17822 backedges. 0 proven. 17822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:18,713 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:18,713 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:48:18,713 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:18,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:18,714 INFO L185 omatonBuilderFactory]: Interpolants [83713#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 83712#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 83715#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 83714#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 83717#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 83716#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 83719#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 83718#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 83721#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 83720#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 83723#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 83722#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 83725#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 83724#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 83727#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 83726#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 83729#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 83728#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 83731#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 83730#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 83733#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 83732#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 83735#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 83734#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 83737#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 83736#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 83739#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 83738#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 83741#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 83740#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 83743#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 83742#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 83745#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 83744#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 83747#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 83746#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 83749#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 83748#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 83751#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 83750#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 83753#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 83752#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 83755#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 83754#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 83757#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 83756#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 83759#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 83758#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 83761#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 83760#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 83763#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 83762#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 83765#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 83764#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 83767#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 83766#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 83769#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 83768#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 83771#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 83770#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 83773#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 83772#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 83775#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 83774#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 83777#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 83776#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 83779#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 83778#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 83781#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 83780#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 83783#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 83782#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 83785#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 83784#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 83787#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 83786#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 83789#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 83788#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 83791#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 83790#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 83793#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 83792#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 83795#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 83794#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 83797#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 83796#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 83799#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 83798#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 83801#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 83800#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 83803#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 83802#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 83669#false, 83668#true, 83671#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 83670#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 83673#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 83672#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 83675#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 83674#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 83677#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 83676#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 83679#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 83678#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 83681#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 83680#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 83683#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 83682#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 83685#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 83684#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 83687#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 83686#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 83689#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 83688#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 83691#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 83690#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 83693#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 83692#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 83695#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 83694#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 83697#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 83696#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 83699#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 83698#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 83701#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 83700#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 83703#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 83702#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 83705#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 83704#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 83707#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 83706#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 83709#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 83708#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 83711#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 83710#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5))] [2018-07-23 13:48:18,715 INFO L134 CoverageAnalysis]: Checked inductivity of 17822 backedges. 0 proven. 17822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:18,715 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:48:18,715 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:48:18,717 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=18091, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:48:18,717 INFO L87 Difference]: Start difference. First operand 271 states and 271 transitions. Second operand 136 states. [2018-07-23 13:48:20,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:20,288 INFO L93 Difference]: Finished difference Result 275 states and 275 transitions. [2018-07-23 13:48:20,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:48:20,288 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 270 [2018-07-23 13:48:20,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:20,289 INFO L225 Difference]: With dead ends: 275 [2018-07-23 13:48:20,289 INFO L226 Difference]: Without dead ends: 273 [2018-07-23 13:48:20,290 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=269, Invalid=18091, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:48:20,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-07-23 13:48:20,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2018-07-23 13:48:20,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-07-23 13:48:20,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 273 transitions. [2018-07-23 13:48:20,296 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 273 transitions. Word has length 270 [2018-07-23 13:48:20,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:20,297 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 273 transitions. [2018-07-23 13:48:20,297 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:48:20,297 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 273 transitions. [2018-07-23 13:48:20,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-07-23 13:48:20,298 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:20,298 INFO L357 BasicCegarLoop]: trace histogram [135, 134, 1, 1, 1] [2018-07-23 13:48:20,298 INFO L414 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:20,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1929739683, now seen corresponding path program 134 times [2018-07-23 13:48:20,298 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 18090 backedges. 0 proven. 18090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:21,434 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:21,435 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:48:21,435 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:21,435 INFO L185 omatonBuilderFactory]: Interpolants [84993#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 84992#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 84995#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 84994#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 84997#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 84996#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 84999#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 84998#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 85001#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 85000#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 85003#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 85002#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 85005#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 85004#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 85007#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 85006#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 85009#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 85008#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 85011#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 85010#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 85013#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 85012#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 85015#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 85014#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 85017#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 85016#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 85019#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 85018#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 85021#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 85020#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 85023#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 85022#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 85025#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 85024#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 85027#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 85026#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 85029#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 85028#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 85031#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 85030#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 85033#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 85032#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 85035#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 85034#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 85036#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 84901#false, 84900#true, 84903#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 84902#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 84905#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 84904#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 84907#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 84906#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 84909#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 84908#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 84911#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 84910#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 84913#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 84912#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 84915#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 84914#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 84917#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 84916#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 84919#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 84918#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 84921#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 84920#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 84923#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 84922#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 84925#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 84924#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 84927#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 84926#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 84929#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 84928#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 84931#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 84930#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 84933#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 84932#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 84935#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 84934#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 84937#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 84936#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 84939#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 84938#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 84941#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 84940#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 84943#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 84942#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 84945#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 84944#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 84947#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 84946#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 84949#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 84948#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 84951#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 84950#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 84953#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 84952#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 84955#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 84954#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 84957#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 84956#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 84959#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 84958#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 84961#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 84960#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 84963#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 84962#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 84965#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 84964#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 84967#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 84966#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 84969#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 84968#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 84971#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 84970#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 84973#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 84972#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 84975#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 84974#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 84977#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 84976#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 84979#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 84978#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 84981#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 84980#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 84983#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 84982#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 84985#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 84984#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 84987#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 84986#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 84989#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 84988#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 84991#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 84990#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5))] [2018-07-23 13:48:21,436 INFO L134 CoverageAnalysis]: Checked inductivity of 18090 backedges. 0 proven. 18090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:21,437 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:48:21,437 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:48:21,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=18361, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:48:21,438 INFO L87 Difference]: Start difference. First operand 273 states and 273 transitions. Second operand 137 states. [2018-07-23 13:48:22,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:22,997 INFO L93 Difference]: Finished difference Result 277 states and 277 transitions. [2018-07-23 13:48:22,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:48:22,997 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 272 [2018-07-23 13:48:22,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:22,998 INFO L225 Difference]: With dead ends: 277 [2018-07-23 13:48:22,998 INFO L226 Difference]: Without dead ends: 275 [2018-07-23 13:48:23,000 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=271, Invalid=18361, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:48:23,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-07-23 13:48:23,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2018-07-23 13:48:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-07-23 13:48:23,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 275 transitions. [2018-07-23 13:48:23,011 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 275 transitions. Word has length 272 [2018-07-23 13:48:23,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:23,011 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 275 transitions. [2018-07-23 13:48:23,011 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:48:23,011 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 275 transitions. [2018-07-23 13:48:23,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-07-23 13:48:23,013 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:23,013 INFO L357 BasicCegarLoop]: trace histogram [136, 135, 1, 1, 1] [2018-07-23 13:48:23,013 INFO L414 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:23,013 INFO L82 PathProgramCache]: Analyzing trace with hash -945984419, now seen corresponding path program 135 times [2018-07-23 13:48:23,013 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:24,332 INFO L134 CoverageAnalysis]: Checked inductivity of 18360 backedges. 0 proven. 18360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:24,333 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:24,333 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:48:24,333 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:24,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:24,334 INFO L185 omatonBuilderFactory]: Interpolants [86273#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 86272#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 86275#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 86274#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 86277#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 86276#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 86278#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 86141#true, 86143#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 86142#false, 86145#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 86144#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 86147#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 86146#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 86149#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 86148#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 86151#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 86150#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 86153#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 86152#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 86155#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 86154#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 86157#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 86156#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 86159#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 86158#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 86161#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 86160#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 86163#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 86162#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 86165#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 86164#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 86167#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 86166#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 86169#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 86168#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 86171#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 86170#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 86173#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 86172#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 86175#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 86174#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 86177#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 86176#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 86179#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 86178#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 86181#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 86180#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 86183#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 86182#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 86185#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 86184#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 86187#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 86186#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 86189#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 86188#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 86191#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 86190#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 86193#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 86192#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 86195#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 86194#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 86197#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 86196#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 86199#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 86198#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 86201#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 86200#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 86203#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 86202#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 86205#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 86204#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 86207#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 86206#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 86209#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 86208#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 86211#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 86210#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 86213#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 86212#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 86215#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 86214#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 86217#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 86216#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 86219#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 86218#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 86221#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 86220#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 86223#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 86222#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 86225#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 86224#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 86227#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 86226#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 86229#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 86228#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 86231#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 86230#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 86233#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 86232#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 86235#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 86234#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 86237#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 86236#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 86239#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 86238#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 86241#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 86240#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 86243#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 86242#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 86245#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 86244#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 86247#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 86246#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 86249#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 86248#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 86251#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 86250#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 86253#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 86252#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 86255#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 86254#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 86257#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 86256#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 86259#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 86258#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 86261#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 86260#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 86263#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 86262#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 86265#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 86264#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 86267#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 86266#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 86269#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 86268#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 86271#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 86270#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5))] [2018-07-23 13:48:24,335 INFO L134 CoverageAnalysis]: Checked inductivity of 18360 backedges. 0 proven. 18360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:24,335 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:48:24,335 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:48:24,335 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=18633, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:48:24,336 INFO L87 Difference]: Start difference. First operand 275 states and 275 transitions. Second operand 138 states. [2018-07-23 13:48:25,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:25,912 INFO L93 Difference]: Finished difference Result 279 states and 279 transitions. [2018-07-23 13:48:25,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:48:25,912 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 274 [2018-07-23 13:48:25,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:25,913 INFO L225 Difference]: With dead ends: 279 [2018-07-23 13:48:25,913 INFO L226 Difference]: Without dead ends: 277 [2018-07-23 13:48:25,915 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=273, Invalid=18633, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:48:25,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-07-23 13:48:25,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2018-07-23 13:48:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-07-23 13:48:25,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 277 transitions. [2018-07-23 13:48:25,922 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 277 transitions. Word has length 274 [2018-07-23 13:48:25,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:25,922 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 277 transitions. [2018-07-23 13:48:25,922 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:48:25,922 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 277 transitions. [2018-07-23 13:48:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-07-23 13:48:25,924 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:25,924 INFO L357 BasicCegarLoop]: trace histogram [137, 136, 1, 1, 1] [2018-07-23 13:48:25,924 INFO L414 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:25,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1442092183, now seen corresponding path program 136 times [2018-07-23 13:48:25,925 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 18632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:27,070 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:27,070 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:48:27,070 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:27,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:27,071 INFO L185 omatonBuilderFactory]: Interpolants [87391#true, 87393#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 87392#false, 87395#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 87394#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 87397#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 87396#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 87399#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 87398#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 87401#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 87400#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 87403#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 87402#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 87405#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 87404#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 87407#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 87406#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 87409#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 87408#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 87411#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 87410#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 87413#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 87412#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 87415#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 87414#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 87417#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 87416#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 87419#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 87418#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 87421#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 87420#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 87423#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 87422#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 87425#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 87424#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 87427#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 87426#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 87429#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 87428#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 87431#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 87430#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 87433#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 87432#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 87435#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 87434#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 87437#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 87436#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 87439#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 87438#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 87441#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 87440#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 87443#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 87442#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 87445#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 87444#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 87447#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 87446#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 87449#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 87448#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 87451#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 87450#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 87453#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 87452#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 87455#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 87454#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 87457#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 87456#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 87459#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 87458#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 87461#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 87460#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 87463#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 87462#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 87465#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 87464#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 87467#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 87466#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 87469#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 87468#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 87471#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 87470#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 87473#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 87472#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 87475#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 87474#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 87477#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 87476#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 87479#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 87478#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 87481#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 87480#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 87483#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 87482#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 87485#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 87484#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 87487#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 87486#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 87489#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 87488#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 87491#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 87490#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 87493#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 87492#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 87495#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 87494#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 87497#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 87496#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 87499#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 87498#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 87501#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 87500#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 87503#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 87502#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 87505#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 87504#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 87507#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 87506#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 87509#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 87508#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 87511#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 87510#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 87513#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 87512#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 87515#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 87514#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 87517#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 87516#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 87519#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 87518#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 87521#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 87520#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 87523#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 87522#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 87525#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 87524#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 87527#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 87526#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 87529#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 87528#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270))] [2018-07-23 13:48:27,071 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 18632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:27,072 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:48:27,072 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:48:27,072 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=18907, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:48:27,073 INFO L87 Difference]: Start difference. First operand 277 states and 277 transitions. Second operand 139 states. [2018-07-23 13:48:28,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:28,720 INFO L93 Difference]: Finished difference Result 281 states and 281 transitions. [2018-07-23 13:48:28,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:48:28,721 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 276 [2018-07-23 13:48:28,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:28,721 INFO L225 Difference]: With dead ends: 281 [2018-07-23 13:48:28,721 INFO L226 Difference]: Without dead ends: 279 [2018-07-23 13:48:28,722 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=275, Invalid=18907, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:48:28,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-07-23 13:48:28,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2018-07-23 13:48:28,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-07-23 13:48:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 279 transitions. [2018-07-23 13:48:28,729 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 279 transitions. Word has length 276 [2018-07-23 13:48:28,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:28,730 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 279 transitions. [2018-07-23 13:48:28,730 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:48:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 279 transitions. [2018-07-23 13:48:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-07-23 13:48:28,731 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:28,731 INFO L357 BasicCegarLoop]: trace histogram [138, 137, 1, 1, 1] [2018-07-23 13:48:28,731 INFO L414 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:28,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1423796655, now seen corresponding path program 137 times [2018-07-23 13:48:28,731 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 18906 backedges. 0 proven. 18906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:29,778 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:29,778 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:48:29,778 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:29,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:29,779 INFO L185 omatonBuilderFactory]: Interpolants [88651#false, 88650#true, 88653#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 88652#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 88655#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 88654#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 88657#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 88656#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 88659#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 88658#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 88661#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 88660#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 88663#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 88662#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 88665#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 88664#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 88667#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 88666#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 88669#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 88668#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 88671#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 88670#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 88673#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 88672#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 88675#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 88674#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 88677#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 88676#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 88679#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 88678#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 88681#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 88680#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 88683#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 88682#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 88685#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 88684#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 88687#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 88686#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 88689#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 88688#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 88691#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 88690#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 88693#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 88692#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 88695#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 88694#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 88697#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 88696#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 88699#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 88698#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 88701#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 88700#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 88703#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 88702#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 88705#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 88704#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 88707#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 88706#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 88709#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 88708#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 88711#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 88710#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 88713#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 88712#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 88715#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 88714#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 88717#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 88716#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 88719#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 88718#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 88721#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 88720#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 88723#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 88722#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 88725#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 88724#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 88727#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 88726#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 88729#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 88728#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 88731#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 88730#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 88733#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 88732#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 88735#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 88734#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 88737#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 88736#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 88739#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 88738#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 88741#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 88740#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 88743#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 88742#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 88745#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 88744#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 88747#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 88746#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 88749#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 88748#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 88751#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 88750#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 88753#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 88752#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 88755#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 88754#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 88757#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 88756#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 88759#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 88758#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 88761#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 88760#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 88763#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 88762#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 88765#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 88764#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 88767#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 88766#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 88769#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 88768#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 88771#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 88770#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 88773#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 88772#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 88775#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 88774#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 88777#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 88776#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 88779#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 88778#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 88781#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 88780#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 88783#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 88782#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 88785#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 88784#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 88787#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 88786#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 88789#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 88788#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272))] [2018-07-23 13:48:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 18906 backedges. 0 proven. 18906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:29,780 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:48:29,780 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:48:29,781 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=19183, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:48:29,782 INFO L87 Difference]: Start difference. First operand 279 states and 279 transitions. Second operand 140 states. [2018-07-23 13:48:31,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:31,424 INFO L93 Difference]: Finished difference Result 283 states and 283 transitions. [2018-07-23 13:48:31,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2018-07-23 13:48:31,424 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 278 [2018-07-23 13:48:31,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:31,425 INFO L225 Difference]: With dead ends: 283 [2018-07-23 13:48:31,425 INFO L226 Difference]: Without dead ends: 281 [2018-07-23 13:48:31,427 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=277, Invalid=19183, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:48:31,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-07-23 13:48:31,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2018-07-23 13:48:31,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2018-07-23 13:48:31,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 281 transitions. [2018-07-23 13:48:31,434 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 281 transitions. Word has length 278 [2018-07-23 13:48:31,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:31,434 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 281 transitions. [2018-07-23 13:48:31,434 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:48:31,434 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 281 transitions. [2018-07-23 13:48:31,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-07-23 13:48:31,435 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:31,435 INFO L357 BasicCegarLoop]: trace histogram [139, 138, 1, 1, 1] [2018-07-23 13:48:31,435 INFO L414 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:31,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1826034059, now seen corresponding path program 138 times [2018-07-23 13:48:31,436 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 19182 backedges. 0 proven. 19182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:32,645 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:32,645 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:48:32,645 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:32,646 INFO L185 omatonBuilderFactory]: Interpolants [89919#false, 89918#true, 89921#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 89920#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 89923#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 89922#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 89925#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 89924#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 89927#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 89926#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 89929#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 89928#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 89931#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 89930#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 89933#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 89932#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 89935#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 89934#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 89937#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 89936#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 89939#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 89938#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 89941#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 89940#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 89943#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 89942#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 89945#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 89944#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 89947#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 89946#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 89949#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 89948#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 89951#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 89950#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 89953#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 89952#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 89955#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 89954#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 89957#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 89956#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 89959#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 89958#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 89961#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 89960#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 89963#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 89962#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 89965#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 89964#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 89967#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 89966#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 89969#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 89968#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 89971#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 89970#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 89973#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 89972#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 89975#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 89974#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 89977#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 89976#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 89979#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 89978#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 89981#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 89980#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 89983#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 89982#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 89985#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 89984#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 89987#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 89986#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 89989#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 89988#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 89991#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 89990#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 89993#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 89992#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 89995#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 89994#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 89997#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 89996#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 89999#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 89998#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 90001#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 90000#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 90003#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 90002#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 90005#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 90004#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 90007#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 90006#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 90009#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 90008#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 90011#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 90010#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 90013#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 90012#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 90015#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 90014#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 90017#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 90016#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 90019#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 90018#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 90021#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 90020#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 90023#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 90022#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 90025#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 90024#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 90027#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 90026#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 90029#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 90028#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 90031#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 90030#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 90033#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 90032#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 90035#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 90034#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 90037#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 90036#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 90039#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 90038#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 90041#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 90040#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 90043#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 90042#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 90045#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 90044#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 90047#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 90046#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 90049#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 90048#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 90051#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 90050#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 90053#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 90052#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 90055#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 90054#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 90057#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 90056#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 90058#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5))] [2018-07-23 13:48:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 19182 backedges. 0 proven. 19182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:32,647 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:48:32,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:48:32,648 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=19461, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:48:32,648 INFO L87 Difference]: Start difference. First operand 281 states and 281 transitions. Second operand 141 states. [2018-07-23 13:48:34,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:34,321 INFO L93 Difference]: Finished difference Result 285 states and 285 transitions. [2018-07-23 13:48:34,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:48:34,321 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 280 [2018-07-23 13:48:34,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:34,322 INFO L225 Difference]: With dead ends: 285 [2018-07-23 13:48:34,322 INFO L226 Difference]: Without dead ends: 283 [2018-07-23 13:48:34,323 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=279, Invalid=19461, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:48:34,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-07-23 13:48:34,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2018-07-23 13:48:34,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-07-23 13:48:34,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 283 transitions. [2018-07-23 13:48:34,330 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 283 transitions. Word has length 280 [2018-07-23 13:48:34,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:34,331 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 283 transitions. [2018-07-23 13:48:34,331 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:48:34,331 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 283 transitions. [2018-07-23 13:48:34,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-07-23 13:48:34,332 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:34,332 INFO L357 BasicCegarLoop]: trace histogram [140, 139, 1, 1, 1] [2018-07-23 13:48:34,332 INFO L414 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:34,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1822841275, now seen corresponding path program 139 times [2018-07-23 13:48:34,332 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:35,517 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 19460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:35,517 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:35,518 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2018-07-23 13:48:35,518 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:35,518 INFO L185 omatonBuilderFactory]: Interpolants [91195#true, 91197#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 91196#false, 91199#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 91198#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 91201#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 91200#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 91203#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 91202#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 91205#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 91204#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 91207#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 91206#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 91209#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 91208#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 91211#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 91210#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 91213#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 91212#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 91215#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 91214#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 91217#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 91216#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 91219#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 91218#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 91221#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 91220#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 91223#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 91222#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 91225#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 91224#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 91227#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 91226#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 91229#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 91228#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 91231#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 91230#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 91233#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 91232#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 91235#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 91234#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 91237#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 91236#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 91239#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 91238#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 91241#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 91240#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 91243#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 91242#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 91245#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 91244#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 91247#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 91246#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 91249#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 91248#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 91251#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 91250#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 91253#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 91252#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 91255#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 91254#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 91257#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 91256#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 91259#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 91258#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 91261#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 91260#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 91263#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 91262#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 91265#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 91264#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 91267#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 91266#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 91269#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 91268#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 91271#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 91270#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 91273#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 91272#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 91275#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 91274#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 91277#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 91276#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 91279#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 91278#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 91281#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 91280#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 91283#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 91282#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 91285#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 91284#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 91287#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 91286#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 91289#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 91288#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 91291#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 91290#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 91293#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 91292#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 91295#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 91294#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 91297#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 91296#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 91299#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 91298#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 91301#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 91300#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 91303#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 91302#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 91305#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 91304#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 91307#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 91306#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 91309#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 91308#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 91311#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 91310#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 91313#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 91312#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 91315#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 91314#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 91317#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 91316#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 91319#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 91318#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 91321#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 91320#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 91323#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 91322#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 91325#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 91324#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 91327#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 91326#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 91329#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 91328#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 91331#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 91330#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 91333#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 91332#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 91335#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 91334#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 91336#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278))] [2018-07-23 13:48:35,519 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 19460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:35,519 INFO L450 AbstractCegarLoop]: Interpolant automaton has 142 states [2018-07-23 13:48:35,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2018-07-23 13:48:35,520 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=19741, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:48:35,520 INFO L87 Difference]: Start difference. First operand 283 states and 283 transitions. Second operand 142 states. [2018-07-23 13:48:37,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:37,140 INFO L93 Difference]: Finished difference Result 287 states and 287 transitions. [2018-07-23 13:48:37,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2018-07-23 13:48:37,141 INFO L78 Accepts]: Start accepts. Automaton has 142 states. Word has length 282 [2018-07-23 13:48:37,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:37,141 INFO L225 Difference]: With dead ends: 287 [2018-07-23 13:48:37,142 INFO L226 Difference]: Without dead ends: 285 [2018-07-23 13:48:37,142 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=281, Invalid=19741, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:48:37,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-07-23 13:48:37,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2018-07-23 13:48:37,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-07-23 13:48:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 285 transitions. [2018-07-23 13:48:37,149 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 285 transitions. Word has length 282 [2018-07-23 13:48:37,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:37,150 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 285 transitions. [2018-07-23 13:48:37,150 INFO L472 AbstractCegarLoop]: Interpolant automaton has 142 states. [2018-07-23 13:48:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 285 transitions. [2018-07-23 13:48:37,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-07-23 13:48:37,150 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:37,151 INFO L357 BasicCegarLoop]: trace histogram [141, 140, 1, 1, 1] [2018-07-23 13:48:37,151 INFO L414 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:37,151 INFO L82 PathProgramCache]: Analyzing trace with hash 596243583, now seen corresponding path program 140 times [2018-07-23 13:48:37,151 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 19740 backedges. 0 proven. 19740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:38,344 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:38,344 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:48:38,344 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:38,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:38,345 INFO L185 omatonBuilderFactory]: Interpolants [92481#true, 92483#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 92482#false, 92485#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 92484#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 92487#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 92486#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 92489#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 92488#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 92491#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 92490#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 92493#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 92492#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 92495#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 92494#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 92497#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 92496#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 92499#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 92498#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 92501#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 92500#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 92503#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 92502#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 92505#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 92504#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 92507#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 92506#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 92509#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 92508#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 92511#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 92510#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 92513#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 92512#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 92515#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 92514#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 92517#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 92516#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 92519#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 92518#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 92521#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 92520#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 92523#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 92522#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 92525#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 92524#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 92527#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 92526#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 92529#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 92528#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 92531#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 92530#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 92533#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 92532#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 92535#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 92534#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 92537#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 92536#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 92539#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 92538#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 92541#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 92540#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 92543#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 92542#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 92545#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 92544#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 92547#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 92546#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 92549#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 92548#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 92551#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 92550#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 92553#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 92552#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 92555#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 92554#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 92557#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 92556#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 92559#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 92558#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 92561#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 92560#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 92563#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 92562#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 92565#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 92564#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 92567#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 92566#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 92569#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 92568#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 92571#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 92570#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 92573#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 92572#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 92575#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 92574#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 92577#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 92576#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 92579#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 92578#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 92581#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 92580#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 92583#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 92582#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 92585#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 92584#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 92587#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 92586#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 92589#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 92588#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 92591#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 92590#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 92593#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 92592#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 92595#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 92594#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 92597#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 92596#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 92599#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 92598#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 92601#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 92600#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 92603#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 92602#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 92605#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 92604#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 92607#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 92606#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 92609#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 92608#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 92611#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 92610#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 92613#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 92612#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 92615#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 92614#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 92617#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 92616#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 92619#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 92618#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 92621#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 92620#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 92623#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 92622#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278))] [2018-07-23 13:48:38,346 INFO L134 CoverageAnalysis]: Checked inductivity of 19740 backedges. 0 proven. 19740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:38,346 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:48:38,346 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:48:38,347 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=20023, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:48:38,347 INFO L87 Difference]: Start difference. First operand 285 states and 285 transitions. Second operand 143 states. [2018-07-23 13:48:40,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:40,043 INFO L93 Difference]: Finished difference Result 289 states and 289 transitions. [2018-07-23 13:48:40,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:48:40,043 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 284 [2018-07-23 13:48:40,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:40,044 INFO L225 Difference]: With dead ends: 289 [2018-07-23 13:48:40,044 INFO L226 Difference]: Without dead ends: 287 [2018-07-23 13:48:40,046 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=283, Invalid=20023, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:48:40,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-07-23 13:48:40,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2018-07-23 13:48:40,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2018-07-23 13:48:40,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 287 transitions. [2018-07-23 13:48:40,055 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 287 transitions. Word has length 284 [2018-07-23 13:48:40,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:40,055 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 287 transitions. [2018-07-23 13:48:40,055 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:48:40,055 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 287 transitions. [2018-07-23 13:48:40,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-07-23 13:48:40,056 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:40,056 INFO L357 BasicCegarLoop]: trace histogram [142, 141, 1, 1, 1] [2018-07-23 13:48:40,056 INFO L414 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:40,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1759484985, now seen corresponding path program 141 times [2018-07-23 13:48:40,056 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:41,827 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 20022 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:41,828 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:41,828 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:48:41,828 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:41,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:41,829 INFO L185 omatonBuilderFactory]: Interpolants [93777#false, 93776#true, 93779#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 93778#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 93781#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 93780#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 93783#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 93782#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 93785#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 93784#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 93787#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 93786#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 93789#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 93788#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 93791#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 93790#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 93793#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 93792#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 93795#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 93794#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 93797#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 93796#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 93799#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 93798#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 93801#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 93800#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 93803#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 93802#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 93805#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 93804#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 93807#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 93806#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 93809#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 93808#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 93811#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 93810#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 93813#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 93812#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 93815#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 93814#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 93817#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 93816#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 93819#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 93818#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 93821#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 93820#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 93823#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 93822#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 93825#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 93824#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 93827#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 93826#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 93829#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 93828#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 93831#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 93830#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 93833#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 93832#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 93835#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 93834#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 93837#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 93836#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 93839#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 93838#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 93841#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 93840#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 93843#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 93842#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 93845#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 93844#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 93847#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 93846#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 93849#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 93848#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 93851#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 93850#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 93853#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 93852#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 93855#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 93854#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 93857#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 93856#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 93859#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 93858#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 93861#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 93860#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 93863#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 93862#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 93865#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 93864#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 93867#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 93866#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 93869#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 93868#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 93871#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 93870#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 93873#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 93872#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 93875#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 93874#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 93877#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 93876#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 93879#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 93878#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 93881#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 93880#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 93883#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 93882#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 93885#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 93884#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 93887#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 93886#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 93889#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 93888#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 93891#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 93890#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 93893#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 93892#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 93895#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 93894#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 93897#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 93896#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 93899#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 93898#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 93901#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 93900#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 93903#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 93902#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 93905#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 93904#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 93907#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 93906#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 93909#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 93908#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 93911#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 93910#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 93913#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 93912#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 93915#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 93914#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 93917#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 93916#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 93919#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 93918#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5))] [2018-07-23 13:48:41,830 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 20022 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:41,830 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:48:41,830 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:48:41,831 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=20307, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:48:41,831 INFO L87 Difference]: Start difference. First operand 287 states and 287 transitions. Second operand 144 states. [2018-07-23 13:48:43,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:43,592 INFO L93 Difference]: Finished difference Result 291 states and 291 transitions. [2018-07-23 13:48:43,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-07-23 13:48:43,592 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 286 [2018-07-23 13:48:43,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:43,593 INFO L225 Difference]: With dead ends: 291 [2018-07-23 13:48:43,593 INFO L226 Difference]: Without dead ends: 289 [2018-07-23 13:48:43,594 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=285, Invalid=20307, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:48:43,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-07-23 13:48:43,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2018-07-23 13:48:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2018-07-23 13:48:43,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 289 transitions. [2018-07-23 13:48:43,602 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 289 transitions. Word has length 286 [2018-07-23 13:48:43,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:43,602 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 289 transitions. [2018-07-23 13:48:43,602 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:48:43,602 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 289 transitions. [2018-07-23 13:48:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-07-23 13:48:43,603 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:43,603 INFO L357 BasicCegarLoop]: trace histogram [143, 142, 1, 1, 1] [2018-07-23 13:48:43,603 INFO L414 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:43,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1351991949, now seen corresponding path program 142 times [2018-07-23 13:48:43,604 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 0 proven. 20306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:44,860 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:44,860 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:48:44,860 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:44,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:44,861 INFO L185 omatonBuilderFactory]: Interpolants [95081#false, 95080#true, 95083#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 95082#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 95085#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 95084#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 95087#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 95086#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 95089#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 95088#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 95091#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 95090#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 95093#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 95092#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 95095#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 95094#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 95097#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 95096#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 95099#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 95098#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 95101#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 95100#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 95103#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 95102#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 95105#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 95104#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 95107#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 95106#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 95109#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 95108#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 95111#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 95110#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 95113#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 95112#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 95115#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 95114#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 95117#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 95116#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 95119#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 95118#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 95121#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 95120#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 95123#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 95122#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 95125#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 95124#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 95127#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 95126#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 95129#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 95128#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 95131#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 95130#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 95133#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 95132#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 95135#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 95134#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 95137#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 95136#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 95139#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 95138#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 95141#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 95140#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 95143#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 95142#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 95145#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 95144#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 95147#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 95146#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 95149#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 95148#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 95151#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 95150#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 95153#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 95152#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 95155#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 95154#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 95157#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 95156#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 95159#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 95158#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 95161#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 95160#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 95163#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 95162#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 95165#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 95164#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 95167#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 95166#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 95169#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 95168#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 95171#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 95170#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 95173#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 95172#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 95175#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 95174#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 95177#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 95176#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 95179#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 95178#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 95181#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 95180#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 95183#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 95182#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 95185#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 95184#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 95187#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 95186#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 95189#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 95188#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 95191#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 95190#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 95193#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 95192#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 95195#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 95194#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 95197#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 95196#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 95199#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 95198#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 95201#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 95200#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 95203#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 95202#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 95205#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 95204#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 95207#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 95206#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 95209#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 95208#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 95211#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 95210#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 95213#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 95212#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 95215#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 95214#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 95217#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 95216#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 95219#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 95218#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 95221#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 95220#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 95223#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 95222#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 95224#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284))] [2018-07-23 13:48:44,862 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 0 proven. 20306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:44,862 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:48:44,862 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:48:44,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=20593, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:48:44,863 INFO L87 Difference]: Start difference. First operand 289 states and 289 transitions. Second operand 145 states. [2018-07-23 13:48:46,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:46,610 INFO L93 Difference]: Finished difference Result 293 states and 293 transitions. [2018-07-23 13:48:46,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:48:46,610 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 288 [2018-07-23 13:48:46,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:46,611 INFO L225 Difference]: With dead ends: 293 [2018-07-23 13:48:46,611 INFO L226 Difference]: Without dead ends: 291 [2018-07-23 13:48:46,612 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=287, Invalid=20593, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:48:46,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-07-23 13:48:46,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2018-07-23 13:48:46,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-07-23 13:48:46,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 291 transitions. [2018-07-23 13:48:46,620 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 291 transitions. Word has length 288 [2018-07-23 13:48:46,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:46,620 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 291 transitions. [2018-07-23 13:48:46,620 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:48:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 291 transitions. [2018-07-23 13:48:46,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-07-23 13:48:46,621 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:46,621 INFO L357 BasicCegarLoop]: trace histogram [144, 143, 1, 1, 1] [2018-07-23 13:48:46,621 INFO L414 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:46,621 INFO L82 PathProgramCache]: Analyzing trace with hash 2110879789, now seen corresponding path program 143 times [2018-07-23 13:48:46,621 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:47,880 INFO L134 CoverageAnalysis]: Checked inductivity of 20592 backedges. 0 proven. 20592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:47,881 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:47,881 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2018-07-23 13:48:47,881 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:47,882 INFO L185 omatonBuilderFactory]: Interpolants [96513#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 96512#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 96515#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 96514#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 96517#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 96516#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 96519#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 96518#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 96521#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 96520#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 96523#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 96522#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 96525#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 96524#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 96527#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 96526#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 96529#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 96528#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 96531#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 96530#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 96533#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 96532#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 96535#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 96534#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 96537#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 96536#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 96538#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 96393#true, 96395#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 96394#false, 96397#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 96396#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 96399#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 96398#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 96401#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 96400#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 96403#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 96402#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 96405#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 96404#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 96407#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 96406#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 96409#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 96408#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 96411#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 96410#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 96413#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 96412#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 96415#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 96414#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 96417#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 96416#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 96419#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 96418#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 96421#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 96420#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 96423#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 96422#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 96425#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 96424#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 96427#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 96426#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 96429#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 96428#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 96431#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 96430#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 96433#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 96432#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 96435#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 96434#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 96437#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 96436#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 96439#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 96438#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 96441#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 96440#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 96443#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 96442#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 96445#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 96444#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 96447#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 96446#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 96449#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 96448#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 96451#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 96450#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 96453#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 96452#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 96455#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 96454#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 96457#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 96456#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 96459#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 96458#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 96461#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 96460#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 96463#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 96462#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 96465#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 96464#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 96467#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 96466#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 96469#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 96468#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 96471#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 96470#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 96473#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 96472#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 96475#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 96474#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 96477#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 96476#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 96479#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 96478#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 96481#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 96480#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 96483#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 96482#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 96485#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 96484#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 96487#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 96486#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 96489#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 96488#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 96491#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 96490#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 96493#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 96492#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 96495#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 96494#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 96497#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 96496#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 96499#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 96498#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 96501#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 96500#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 96503#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 96502#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 96505#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 96504#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 96507#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 96506#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 96509#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 96508#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 96511#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 96510#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5))] [2018-07-23 13:48:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 20592 backedges. 0 proven. 20592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:47,883 INFO L450 AbstractCegarLoop]: Interpolant automaton has 146 states [2018-07-23 13:48:47,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2018-07-23 13:48:47,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=20881, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:48:47,884 INFO L87 Difference]: Start difference. First operand 291 states and 291 transitions. Second operand 146 states. [2018-07-23 13:48:49,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:49,649 INFO L93 Difference]: Finished difference Result 295 states and 295 transitions. [2018-07-23 13:48:49,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-07-23 13:48:49,649 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 290 [2018-07-23 13:48:49,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:49,650 INFO L225 Difference]: With dead ends: 295 [2018-07-23 13:48:49,650 INFO L226 Difference]: Without dead ends: 293 [2018-07-23 13:48:49,650 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=289, Invalid=20881, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:48:49,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-07-23 13:48:49,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2018-07-23 13:48:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-07-23 13:48:49,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 293 transitions. [2018-07-23 13:48:49,658 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 293 transitions. Word has length 290 [2018-07-23 13:48:49,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:49,658 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 293 transitions. [2018-07-23 13:48:49,658 INFO L472 AbstractCegarLoop]: Interpolant automaton has 146 states. [2018-07-23 13:48:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 293 transitions. [2018-07-23 13:48:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-07-23 13:48:49,659 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:49,659 INFO L357 BasicCegarLoop]: trace histogram [145, 144, 1, 1, 1] [2018-07-23 13:48:49,659 INFO L414 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:49,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1330965607, now seen corresponding path program 144 times [2018-07-23 13:48:49,660 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:50,922 INFO L134 CoverageAnalysis]: Checked inductivity of 20880 backedges. 0 proven. 20880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:50,923 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:50,923 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:48:50,923 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:50,924 INFO L185 omatonBuilderFactory]: Interpolants [97793#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 97792#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 97795#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 97794#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 97797#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 97796#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 97799#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 97798#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 97801#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 97800#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 97803#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 97802#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 97805#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 97804#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 97807#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 97806#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 97809#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 97808#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 97811#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 97810#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 97813#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 97812#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 97815#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 97814#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 97817#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 97816#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 97819#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 97818#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 97821#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 97820#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 97823#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 97822#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 97825#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 97824#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 97827#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 97826#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 97829#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 97828#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 97831#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 97830#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 97833#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 97832#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 97835#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 97834#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 97837#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 97836#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 97839#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 97838#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 97841#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 97840#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 97843#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 97842#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 97845#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 97844#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 97847#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 97846#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 97849#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 97848#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 97851#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 97850#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 97853#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 97852#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 97855#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 97854#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 97857#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 97856#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 97859#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 97858#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 97861#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 97860#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 97715#true, 97717#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 97716#false, 97719#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 97718#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 97721#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 97720#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 97723#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 97722#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 97725#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 97724#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 97727#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 97726#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 97729#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 97728#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 97731#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 97730#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 97733#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 97732#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 97735#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 97734#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 97737#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 97736#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 97739#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 97738#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 97741#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 97740#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 97743#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 97742#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 97745#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 97744#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 97747#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 97746#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 97749#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 97748#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 97751#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 97750#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 97753#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 97752#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 97755#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 97754#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 97757#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 97756#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 97759#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 97758#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 97761#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 97760#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 97763#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 97762#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 97765#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 97764#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 97767#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 97766#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 97769#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 97768#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 97771#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 97770#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 97773#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 97772#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 97775#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 97774#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 97777#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 97776#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 97779#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 97778#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 97781#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 97780#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 97783#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 97782#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 97785#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 97784#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 97787#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 97786#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 97789#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 97788#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 97791#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 97790#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5))] [2018-07-23 13:48:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 20880 backedges. 0 proven. 20880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:50,925 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:48:50,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:48:50,926 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=21171, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:48:50,926 INFO L87 Difference]: Start difference. First operand 293 states and 293 transitions. Second operand 147 states. [2018-07-23 13:48:52,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:52,753 INFO L93 Difference]: Finished difference Result 297 states and 297 transitions. [2018-07-23 13:48:52,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:48:52,753 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 292 [2018-07-23 13:48:52,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:52,754 INFO L225 Difference]: With dead ends: 297 [2018-07-23 13:48:52,754 INFO L226 Difference]: Without dead ends: 295 [2018-07-23 13:48:52,756 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=291, Invalid=21171, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:48:52,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-07-23 13:48:52,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2018-07-23 13:48:52,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-07-23 13:48:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 295 transitions. [2018-07-23 13:48:52,763 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 295 transitions. Word has length 292 [2018-07-23 13:48:52,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:52,763 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 295 transitions. [2018-07-23 13:48:52,763 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:48:52,763 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 295 transitions. [2018-07-23 13:48:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-07-23 13:48:52,764 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:52,765 INFO L357 BasicCegarLoop]: trace histogram [146, 145, 1, 1, 1] [2018-07-23 13:48:52,765 INFO L414 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:52,765 INFO L82 PathProgramCache]: Analyzing trace with hash -842253791, now seen corresponding path program 145 times [2018-07-23 13:48:52,765 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:54,035 INFO L134 CoverageAnalysis]: Checked inductivity of 21170 backedges. 0 proven. 21170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:54,035 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:54,035 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:48:54,035 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:54,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:54,036 INFO L185 omatonBuilderFactory]: Interpolants [99073#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 99072#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 99075#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 99074#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 99077#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 99076#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 99079#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 99078#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 99081#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 99080#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 99083#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 99082#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 99085#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 99084#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 99087#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 99086#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 99089#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 99088#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 99091#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 99090#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 99093#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 99092#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 99095#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 99094#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 99097#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 99096#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 99099#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 99098#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 99101#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 99100#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 99103#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 99102#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 99105#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 99104#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 99107#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 99106#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 99109#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 99108#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 99111#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 99110#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 99113#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 99112#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 99115#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 99114#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 99117#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 99116#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 99119#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 99118#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 99121#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 99120#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 99123#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 99122#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 99125#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 99124#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 99127#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 99126#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 99129#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 99128#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 99131#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 99130#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 99133#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 99132#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 99135#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 99134#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 99137#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 99136#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 99139#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 99138#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 99141#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 99140#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 99143#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 99142#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 99145#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 99144#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 99147#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 99146#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 99149#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 99148#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 99151#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 99150#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 99153#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 99152#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 99155#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 99154#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 99157#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 99156#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 99159#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 99158#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 99161#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 99160#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 99163#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 99162#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 99165#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 99164#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 99167#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 99166#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 99169#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 99168#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 99171#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 99170#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 99173#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 99172#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 99175#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 99174#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 99177#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 99176#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 99179#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 99178#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 99181#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 99180#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 99183#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 99182#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 99185#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 99184#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 99187#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 99186#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 99189#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 99188#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 99191#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 99190#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 99193#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 99192#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 99047#false, 99046#true, 99049#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 99048#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 99051#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 99050#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 99053#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 99052#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 99055#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 99054#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 99057#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 99056#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 99059#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 99058#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 99061#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 99060#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 99063#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 99062#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 99065#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 99064#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 99067#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 99066#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 99069#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 99068#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 99071#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 99070#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5))] [2018-07-23 13:48:54,037 INFO L134 CoverageAnalysis]: Checked inductivity of 21170 backedges. 0 proven. 21170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:54,037 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:48:54,038 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:48:54,038 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=21463, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:48:54,039 INFO L87 Difference]: Start difference. First operand 295 states and 295 transitions. Second operand 148 states. [2018-07-23 13:48:55,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:55,955 INFO L93 Difference]: Finished difference Result 299 states and 299 transitions. [2018-07-23 13:48:55,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-07-23 13:48:55,956 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 294 [2018-07-23 13:48:55,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:55,957 INFO L225 Difference]: With dead ends: 299 [2018-07-23 13:48:55,957 INFO L226 Difference]: Without dead ends: 297 [2018-07-23 13:48:55,959 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=293, Invalid=21463, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:48:55,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-07-23 13:48:55,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2018-07-23 13:48:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-07-23 13:48:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 297 transitions. [2018-07-23 13:48:55,971 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 297 transitions. Word has length 294 [2018-07-23 13:48:55,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:55,971 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 297 transitions. [2018-07-23 13:48:55,972 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:48:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 297 transitions. [2018-07-23 13:48:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-07-23 13:48:55,973 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:55,973 INFO L357 BasicCegarLoop]: trace histogram [147, 146, 1, 1, 1] [2018-07-23 13:48:55,973 INFO L414 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:55,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1951989413, now seen corresponding path program 146 times [2018-07-23 13:48:55,974 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:48:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 21462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:57,514 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:48:57,514 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:48:57,515 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:48:57,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:57,515 INFO L185 omatonBuilderFactory]: Interpolants [100387#false, 100386#true, 100389#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 100388#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 100391#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 100390#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 100393#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 100392#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 100395#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 100394#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 100397#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 100396#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 100399#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 100398#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 100401#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 100400#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 100403#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 100402#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 100405#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 100404#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 100407#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 100406#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 100409#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 100408#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 100411#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 100410#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 100413#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 100412#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 100415#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 100414#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 100417#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 100416#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 100419#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 100418#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 100421#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 100420#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 100423#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 100422#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 100425#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 100424#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 100427#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 100426#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 100429#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 100428#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 100431#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 100430#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 100433#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 100432#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 100435#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 100434#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 100437#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 100436#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 100439#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 100438#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 100441#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 100440#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 100443#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 100442#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 100445#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 100444#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 100447#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 100446#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 100449#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 100448#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 100451#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 100450#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 100453#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 100452#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 100455#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 100454#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 100457#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 100456#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 100459#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 100458#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 100461#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 100460#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 100463#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 100462#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 100465#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 100464#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 100467#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 100466#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 100469#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 100468#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 100471#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 100470#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 100473#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 100472#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 100475#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 100474#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 100477#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 100476#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 100479#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 100478#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 100481#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 100480#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 100483#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 100482#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 100485#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 100484#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 100487#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 100486#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 100489#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 100488#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 100491#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 100490#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 100493#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 100492#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 100495#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 100494#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 100497#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 100496#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 100499#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 100498#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 100501#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 100500#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 100503#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 100502#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 100505#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 100504#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 100507#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 100506#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 100509#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 100508#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 100511#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 100510#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 100513#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 100512#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 100515#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 100514#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 100517#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 100516#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 100519#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 100518#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 100521#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 100520#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 100523#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 100522#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 100525#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 100524#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 100527#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 100526#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 100529#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 100528#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 100531#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 100530#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 100533#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 100532#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 100534#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292))] [2018-07-23 13:48:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 21462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:48:57,516 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:48:57,516 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:48:57,517 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=21757, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:48:57,517 INFO L87 Difference]: Start difference. First operand 297 states and 297 transitions. Second operand 149 states. [2018-07-23 13:48:59,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:48:59,448 INFO L93 Difference]: Finished difference Result 301 states and 301 transitions. [2018-07-23 13:48:59,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:48:59,448 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 296 [2018-07-23 13:48:59,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:48:59,449 INFO L225 Difference]: With dead ends: 301 [2018-07-23 13:48:59,449 INFO L226 Difference]: Without dead ends: 299 [2018-07-23 13:48:59,450 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=295, Invalid=21757, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:48:59,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-07-23 13:48:59,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2018-07-23 13:48:59,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-07-23 13:48:59,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 299 transitions. [2018-07-23 13:48:59,463 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 299 transitions. Word has length 296 [2018-07-23 13:48:59,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:48:59,463 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 299 transitions. [2018-07-23 13:48:59,463 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:48:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 299 transitions. [2018-07-23 13:48:59,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-07-23 13:48:59,464 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:48:59,465 INFO L357 BasicCegarLoop]: trace histogram [148, 147, 1, 1, 1] [2018-07-23 13:48:59,465 INFO L414 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:48:59,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1038934549, now seen corresponding path program 147 times [2018-07-23 13:48:59,465 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:48:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 21756 backedges. 0 proven. 21756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:00,866 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:00,866 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [149] total 149 [2018-07-23 13:49:00,866 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:00,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:00,867 INFO L185 omatonBuilderFactory]: Interpolants [101735#true, 101737#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 101736#false, 101739#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 101738#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 101741#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 101740#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 101743#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 101742#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 101745#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 101744#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 101747#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 101746#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 101749#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 101748#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 101751#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 101750#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 101753#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 101752#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 101755#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 101754#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 101757#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 101756#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 101759#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 101758#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 101761#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 101760#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 101763#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 101762#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 101765#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 101764#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 101767#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 101766#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 101769#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 101768#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 101771#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 101770#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 101773#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 101772#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 101775#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 101774#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 101777#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 101776#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 101779#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 101778#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 101781#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 101780#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 101783#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 101782#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 101785#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 101784#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 101787#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 101786#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 101789#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 101788#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 101791#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 101790#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 101793#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 101792#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 101795#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 101794#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 101797#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 101796#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 101799#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 101798#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 101801#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 101800#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 101803#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 101802#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 101805#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 101804#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 101807#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 101806#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 101809#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 101808#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 101811#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 101810#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 101813#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 101812#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 101815#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 101814#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 101817#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 101816#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 101819#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 101818#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 101821#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 101820#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 101823#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 101822#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 101825#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 101824#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 101827#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 101826#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 101829#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 101828#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 101831#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 101830#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 101833#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 101832#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 101835#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 101834#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 101837#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 101836#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 101839#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 101838#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 101841#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 101840#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 101843#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 101842#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 101845#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 101844#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 101847#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 101846#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 101849#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 101848#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 101851#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 101850#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 101853#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 101852#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 101855#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 101854#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 101857#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 101856#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 101859#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 101858#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 101861#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 101860#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 101863#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 101862#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 101865#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 101864#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 101867#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 101866#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 101869#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 101868#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 101871#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 101870#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 101873#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 101872#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 101875#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 101874#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 101877#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 101876#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 101879#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 101878#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 101881#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 101880#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 101883#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 101882#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 101884#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294))] [2018-07-23 13:49:00,868 INFO L134 CoverageAnalysis]: Checked inductivity of 21756 backedges. 0 proven. 21756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:00,868 INFO L450 AbstractCegarLoop]: Interpolant automaton has 150 states [2018-07-23 13:49:00,868 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2018-07-23 13:49:00,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=22053, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:49:00,869 INFO L87 Difference]: Start difference. First operand 299 states and 299 transitions. Second operand 150 states. [2018-07-23 13:49:02,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:02,860 INFO L93 Difference]: Finished difference Result 303 states and 303 transitions. [2018-07-23 13:49:02,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-07-23 13:49:02,861 INFO L78 Accepts]: Start accepts. Automaton has 150 states. Word has length 298 [2018-07-23 13:49:02,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:02,861 INFO L225 Difference]: With dead ends: 303 [2018-07-23 13:49:02,861 INFO L226 Difference]: Without dead ends: 301 [2018-07-23 13:49:02,862 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=22053, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:49:02,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-07-23 13:49:02,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2018-07-23 13:49:02,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-07-23 13:49:02,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 301 transitions. [2018-07-23 13:49:02,870 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 301 transitions. Word has length 298 [2018-07-23 13:49:02,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:02,870 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 301 transitions. [2018-07-23 13:49:02,870 INFO L472 AbstractCegarLoop]: Interpolant automaton has 150 states. [2018-07-23 13:49:02,870 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 301 transitions. [2018-07-23 13:49:02,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-07-23 13:49:02,871 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:02,871 INFO L357 BasicCegarLoop]: trace histogram [149, 148, 1, 1, 1] [2018-07-23 13:49:02,871 INFO L414 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:02,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1983741007, now seen corresponding path program 148 times [2018-07-23 13:49:02,872 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:04,562 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 22052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:04,562 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:04,562 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:49:04,563 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:04,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:04,563 INFO L185 omatonBuilderFactory]: Interpolants [103169#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 103168#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 103171#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 103170#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 103173#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 103172#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 103175#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 103174#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 103177#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 103176#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 103179#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 103178#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 103181#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 103180#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 103183#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 103182#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 103185#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 103184#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 103187#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 103186#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 103189#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 103188#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 103191#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 103190#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 103193#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 103192#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 103195#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 103194#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 103197#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 103196#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 103199#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 103198#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 103201#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 103200#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 103203#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 103202#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 103205#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 103204#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 103207#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 103206#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 103209#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 103208#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 103211#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 103210#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 103213#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 103212#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 103215#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 103214#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 103217#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 103216#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 103219#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 103218#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 103221#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 103220#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 103223#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 103222#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 103225#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 103224#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 103227#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 103226#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 103229#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 103228#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 103231#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 103230#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 103233#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 103232#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 103235#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 103234#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 103237#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 103236#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 103239#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 103238#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 103241#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 103240#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 103243#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296)), 103242#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294)), 103093#true, 103095#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 103094#false, 103097#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 103096#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 103099#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 103098#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 103101#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 103100#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 103103#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 103102#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 103105#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 103104#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 103107#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 103106#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 103109#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 103108#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 103111#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 103110#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 103113#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 103112#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 103115#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 103114#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 103117#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 103116#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 103119#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 103118#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 103121#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 103120#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 103123#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 103122#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 103125#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 103124#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 103127#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 103126#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 103129#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 103128#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 103131#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 103130#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 103133#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 103132#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 103135#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 103134#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 103137#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 103136#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 103139#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 103138#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 103141#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 103140#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 103143#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 103142#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 103145#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 103144#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 103147#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 103146#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 103149#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 103148#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 103151#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 103150#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 103153#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 103152#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 103155#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 103154#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 103157#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 103156#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 103159#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 103158#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 103161#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 103160#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 103163#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 103162#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 103165#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 103164#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 103167#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 103166#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5))] [2018-07-23 13:49:04,565 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 22052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:04,565 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:49:04,565 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:49:04,566 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=22351, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:49:04,566 INFO L87 Difference]: Start difference. First operand 301 states and 301 transitions. Second operand 151 states. [2018-07-23 13:49:06,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:06,574 INFO L93 Difference]: Finished difference Result 305 states and 305 transitions. [2018-07-23 13:49:06,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:49:06,574 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 300 [2018-07-23 13:49:06,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:06,575 INFO L225 Difference]: With dead ends: 305 [2018-07-23 13:49:06,575 INFO L226 Difference]: Without dead ends: 303 [2018-07-23 13:49:06,575 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=299, Invalid=22351, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:49:06,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-07-23 13:49:06,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2018-07-23 13:49:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-07-23 13:49:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 303 transitions. [2018-07-23 13:49:06,583 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 303 transitions. Word has length 300 [2018-07-23 13:49:06,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:06,583 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 303 transitions. [2018-07-23 13:49:06,583 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:49:06,583 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 303 transitions. [2018-07-23 13:49:06,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-07-23 13:49:06,584 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:06,584 INFO L357 BasicCegarLoop]: trace histogram [150, 149, 1, 1, 1] [2018-07-23 13:49:06,584 INFO L414 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:06,584 INFO L82 PathProgramCache]: Analyzing trace with hash -590319607, now seen corresponding path program 149 times [2018-07-23 13:49:06,585 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 22350 backedges. 0 proven. 22350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:07,932 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:07,932 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:49:07,933 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:07,933 INFO L185 omatonBuilderFactory]: Interpolants [104461#false, 104460#true, 104463#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 104462#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 104465#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 104464#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 104467#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 104466#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 104469#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 104468#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 104471#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 104470#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 104473#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 104472#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 104475#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 104474#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 104477#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 104476#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 104479#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 104478#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 104481#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 104480#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 104483#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 104482#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 104485#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 104484#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 104487#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 104486#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 104489#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 104488#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 104491#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 104490#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 104493#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 104492#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 104495#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 104494#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 104497#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 104496#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 104499#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 104498#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 104501#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 104500#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 104503#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 104502#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 104505#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 104504#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 104507#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 104506#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 104509#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 104508#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 104511#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 104510#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 104513#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 104512#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 104515#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 104514#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 104517#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 104516#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 104519#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 104518#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 104521#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 104520#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 104523#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 104522#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 104525#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 104524#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 104527#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 104526#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 104529#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 104528#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 104531#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 104530#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 104533#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 104532#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 104535#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 104534#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 104537#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 104536#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 104539#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 104538#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 104541#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 104540#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 104543#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 104542#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 104545#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 104544#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 104547#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 104546#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 104549#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 104548#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 104551#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 104550#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 104553#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 104552#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 104555#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 104554#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 104557#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 104556#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 104559#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 104558#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 104561#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 104560#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 104563#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 104562#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 104565#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 104564#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 104567#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 104566#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 104569#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 104568#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 104571#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 104570#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 104573#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 104572#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 104575#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 104574#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 104577#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 104576#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 104579#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 104578#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 104581#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 104580#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 104583#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 104582#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 104585#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 104584#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 104587#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 104586#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 104589#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 104588#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 104591#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 104590#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 104593#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 104592#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 104595#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 104594#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 104597#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 104596#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 104599#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 104598#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 104601#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 104600#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 104603#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 104602#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 104605#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 104604#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 104607#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 104606#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 104609#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294)), 104608#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 104611#(and (<= ULTIMATE.start_main_~x~5 298) (<= 298 ULTIMATE.start_main_~x~5)), 104610#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296))] [2018-07-23 13:49:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 22350 backedges. 0 proven. 22350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:07,935 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:49:07,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:49:07,936 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=22651, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:49:07,936 INFO L87 Difference]: Start difference. First operand 303 states and 303 transitions. Second operand 152 states. [2018-07-23 13:49:10,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:10,008 INFO L93 Difference]: Finished difference Result 307 states and 307 transitions. [2018-07-23 13:49:10,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-07-23 13:49:10,008 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 302 [2018-07-23 13:49:10,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:10,009 INFO L225 Difference]: With dead ends: 307 [2018-07-23 13:49:10,009 INFO L226 Difference]: Without dead ends: 305 [2018-07-23 13:49:10,010 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=301, Invalid=22651, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:49:10,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-07-23 13:49:10,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2018-07-23 13:49:10,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-07-23 13:49:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 305 transitions. [2018-07-23 13:49:10,018 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 305 transitions. Word has length 302 [2018-07-23 13:49:10,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:10,018 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 305 transitions. [2018-07-23 13:49:10,018 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:49:10,019 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 305 transitions. [2018-07-23 13:49:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-07-23 13:49:10,019 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:10,019 INFO L357 BasicCegarLoop]: trace histogram [151, 150, 1, 1, 1] [2018-07-23 13:49:10,020 INFO L414 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:10,020 INFO L82 PathProgramCache]: Analyzing trace with hash -361407165, now seen corresponding path program 150 times [2018-07-23 13:49:10,020 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 22650 backedges. 0 proven. 22650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:11,546 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:11,546 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:49:11,546 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:11,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:11,547 INFO L185 omatonBuilderFactory]: Interpolants [105985#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294)), 105984#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 105987#(and (<= ULTIMATE.start_main_~x~5 298) (<= 298 ULTIMATE.start_main_~x~5)), 105986#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296)), 105988#(and (<= 300 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 300)), 105837#false, 105836#true, 105839#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 105838#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 105841#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 105840#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 105843#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 105842#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 105845#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 105844#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 105847#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 105846#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 105849#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 105848#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 105851#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 105850#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 105853#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 105852#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 105855#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 105854#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 105857#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 105856#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 105859#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 105858#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 105861#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 105860#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 105863#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 105862#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 105865#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 105864#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 105867#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 105866#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 105869#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 105868#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 105871#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 105870#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 105873#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 105872#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 105875#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 105874#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 105877#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 105876#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 105879#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 105878#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 105881#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 105880#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 105883#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 105882#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 105885#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 105884#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 105887#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 105886#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 105889#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 105888#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 105891#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 105890#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 105893#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 105892#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 105895#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 105894#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 105897#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 105896#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 105899#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 105898#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 105901#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 105900#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 105903#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 105902#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 105905#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 105904#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 105907#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 105906#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 105909#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 105908#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 105911#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 105910#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 105913#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 105912#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 105915#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 105914#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 105917#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 105916#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 105919#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 105918#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 105921#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 105920#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 105923#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 105922#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 105925#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 105924#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 105927#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 105926#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 105929#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 105928#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 105931#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 105930#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 105933#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 105932#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 105935#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 105934#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 105937#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 105936#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 105939#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 105938#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 105941#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 105940#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 105943#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 105942#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 105945#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 105944#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 105947#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 105946#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 105949#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 105948#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 105951#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 105950#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 105953#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 105952#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 105955#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 105954#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 105957#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 105956#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 105959#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 105958#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 105961#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 105960#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 105963#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 105962#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 105965#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 105964#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 105967#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 105966#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 105969#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 105968#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 105971#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 105970#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 105973#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 105972#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 105975#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 105974#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 105977#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 105976#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 105979#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 105978#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 105981#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 105980#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 105983#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 105982#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288))] [2018-07-23 13:49:11,548 INFO L134 CoverageAnalysis]: Checked inductivity of 22650 backedges. 0 proven. 22650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:11,548 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:49:11,548 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:49:11,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=22953, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:49:11,550 INFO L87 Difference]: Start difference. First operand 305 states and 305 transitions. Second operand 153 states. [2018-07-23 13:49:13,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:13,625 INFO L93 Difference]: Finished difference Result 309 states and 309 transitions. [2018-07-23 13:49:13,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:49:13,626 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 304 [2018-07-23 13:49:13,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:13,626 INFO L225 Difference]: With dead ends: 309 [2018-07-23 13:49:13,627 INFO L226 Difference]: Without dead ends: 307 [2018-07-23 13:49:13,628 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=303, Invalid=22953, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:49:13,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-07-23 13:49:13,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2018-07-23 13:49:13,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-07-23 13:49:13,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 307 transitions. [2018-07-23 13:49:13,636 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 307 transitions. Word has length 304 [2018-07-23 13:49:13,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:13,636 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 307 transitions. [2018-07-23 13:49:13,636 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:49:13,637 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 307 transitions. [2018-07-23 13:49:13,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-07-23 13:49:13,637 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:13,637 INFO L357 BasicCegarLoop]: trace histogram [152, 151, 1, 1, 1] [2018-07-23 13:49:13,638 INFO L414 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:13,638 INFO L82 PathProgramCache]: Analyzing trace with hash 580117501, now seen corresponding path program 151 times [2018-07-23 13:49:13,638 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:15,168 INFO L134 CoverageAnalysis]: Checked inductivity of 22952 backedges. 0 proven. 22952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:15,168 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:15,168 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [153] total 153 [2018-07-23 13:49:15,169 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:15,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:15,169 INFO L185 omatonBuilderFactory]: Interpolants [107265#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 107264#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 107267#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 107266#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 107269#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 107268#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 107271#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 107270#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 107273#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 107272#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 107275#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 107274#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 107277#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 107276#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 107279#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 107278#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 107281#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 107280#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 107283#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 107282#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 107285#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 107284#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 107287#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 107286#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 107289#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 107288#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 107291#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 107290#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 107293#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 107292#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 107295#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 107294#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 107297#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 107296#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 107299#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 107298#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 107301#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 107300#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 107303#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 107302#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 107305#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 107304#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 107307#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 107306#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 107309#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 107308#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 107311#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 107310#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 107313#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 107312#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 107315#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 107314#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 107317#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 107316#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 107319#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 107318#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 107321#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 107320#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 107323#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 107322#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 107325#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 107324#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 107327#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 107326#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 107329#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 107328#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 107331#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 107330#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 107333#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 107332#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 107335#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 107334#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 107337#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 107336#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 107339#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 107338#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 107341#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 107340#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 107343#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 107342#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 107345#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 107344#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 107347#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 107346#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 107349#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 107348#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 107351#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 107350#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 107353#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 107352#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 107355#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 107354#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 107357#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 107356#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 107359#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 107358#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 107361#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 107360#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 107363#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 107362#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 107365#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 107364#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 107367#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 107366#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 107369#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 107368#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 107371#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296)), 107370#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294)), 107373#(and (<= 300 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 300)), 107372#(and (<= ULTIMATE.start_main_~x~5 298) (<= 298 ULTIMATE.start_main_~x~5)), 107374#(and (<= ULTIMATE.start_main_~x~5 302) (<= 302 ULTIMATE.start_main_~x~5)), 107221#true, 107223#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 107222#false, 107225#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 107224#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 107227#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 107226#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 107229#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 107228#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 107231#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 107230#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 107233#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 107232#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 107235#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 107234#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 107237#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 107236#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 107239#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 107238#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 107241#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 107240#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 107243#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 107242#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 107245#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 107244#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 107247#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 107246#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 107249#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 107248#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 107251#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 107250#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 107253#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 107252#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 107255#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 107254#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 107257#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 107256#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 107259#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 107258#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 107261#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 107260#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 107263#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 107262#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78))] [2018-07-23 13:49:15,170 INFO L134 CoverageAnalysis]: Checked inductivity of 22952 backedges. 0 proven. 22952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:15,171 INFO L450 AbstractCegarLoop]: Interpolant automaton has 154 states [2018-07-23 13:49:15,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2018-07-23 13:49:15,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=23257, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:49:15,172 INFO L87 Difference]: Start difference. First operand 307 states and 307 transitions. Second operand 154 states. [2018-07-23 13:49:17,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:17,266 INFO L93 Difference]: Finished difference Result 311 states and 311 transitions. [2018-07-23 13:49:17,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2018-07-23 13:49:17,266 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 306 [2018-07-23 13:49:17,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:17,267 INFO L225 Difference]: With dead ends: 311 [2018-07-23 13:49:17,267 INFO L226 Difference]: Without dead ends: 309 [2018-07-23 13:49:17,268 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=305, Invalid=23257, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:49:17,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-07-23 13:49:17,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2018-07-23 13:49:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-07-23 13:49:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 309 transitions. [2018-07-23 13:49:17,277 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 309 transitions. Word has length 306 [2018-07-23 13:49:17,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:17,277 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 309 transitions. [2018-07-23 13:49:17,277 INFO L472 AbstractCegarLoop]: Interpolant automaton has 154 states. [2018-07-23 13:49:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 309 transitions. [2018-07-23 13:49:17,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-07-23 13:49:17,278 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:17,278 INFO L357 BasicCegarLoop]: trace histogram [153, 152, 1, 1, 1] [2018-07-23 13:49:17,278 INFO L414 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:17,278 INFO L82 PathProgramCache]: Analyzing trace with hash -852777929, now seen corresponding path program 152 times [2018-07-23 13:49:17,278 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:18,810 INFO L134 CoverageAnalysis]: Checked inductivity of 23256 backedges. 0 proven. 23256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:18,811 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:18,811 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:49:18,811 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:18,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:18,812 INFO L185 omatonBuilderFactory]: Interpolants [108615#true, 108617#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 108616#false, 108619#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 108618#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 108621#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 108620#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 108623#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 108622#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 108625#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 108624#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 108627#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 108626#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 108629#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 108628#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 108631#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 108630#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 108633#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 108632#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 108635#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 108634#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 108637#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 108636#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 108639#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 108638#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 108641#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 108640#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 108643#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 108642#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 108645#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 108644#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 108647#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 108646#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 108649#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 108648#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 108651#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 108650#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 108653#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 108652#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 108655#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 108654#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 108657#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 108656#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 108659#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 108658#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 108661#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 108660#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 108663#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 108662#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 108665#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 108664#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 108667#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 108666#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 108669#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 108668#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 108671#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 108670#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 108673#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 108672#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 108675#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 108674#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 108677#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 108676#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 108679#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 108678#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 108681#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 108680#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 108683#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 108682#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 108685#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 108684#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 108687#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 108686#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 108689#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 108688#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 108691#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 108690#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 108693#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 108692#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 108695#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 108694#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 108697#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 108696#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 108699#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 108698#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 108701#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 108700#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 108703#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 108702#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 108705#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 108704#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 108707#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 108706#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 108709#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 108708#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 108711#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 108710#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 108713#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 108712#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 108715#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 108714#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 108717#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 108716#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 108719#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 108718#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 108721#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 108720#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 108723#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 108722#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 108725#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 108724#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 108727#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 108726#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 108729#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 108728#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 108731#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 108730#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 108733#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 108732#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 108735#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 108734#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 108737#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 108736#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 108739#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 108738#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 108741#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 108740#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 108743#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 108742#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 108745#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 108744#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 108747#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 108746#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 108749#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 108748#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 108751#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 108750#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 108753#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 108752#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 108755#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 108754#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 108757#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 108756#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 108759#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 108758#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 108761#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 108760#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 108763#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 108762#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 108765#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296)), 108764#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294)), 108767#(and (<= 300 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 300)), 108766#(and (<= ULTIMATE.start_main_~x~5 298) (<= 298 ULTIMATE.start_main_~x~5)), 108769#(and (<= 304 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 304)), 108768#(and (<= ULTIMATE.start_main_~x~5 302) (<= 302 ULTIMATE.start_main_~x~5))] [2018-07-23 13:49:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 23256 backedges. 0 proven. 23256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:18,813 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:49:18,813 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:49:18,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=23563, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:49:18,814 INFO L87 Difference]: Start difference. First operand 309 states and 309 transitions. Second operand 155 states. [2018-07-23 13:49:20,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:20,908 INFO L93 Difference]: Finished difference Result 313 states and 313 transitions. [2018-07-23 13:49:20,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:49:20,908 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 308 [2018-07-23 13:49:20,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:20,909 INFO L225 Difference]: With dead ends: 313 [2018-07-23 13:49:20,909 INFO L226 Difference]: Without dead ends: 311 [2018-07-23 13:49:20,910 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=307, Invalid=23563, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:49:20,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-07-23 13:49:20,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2018-07-23 13:49:20,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2018-07-23 13:49:20,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 311 transitions. [2018-07-23 13:49:20,918 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 311 transitions. Word has length 308 [2018-07-23 13:49:20,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:20,918 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 311 transitions. [2018-07-23 13:49:20,918 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:49:20,918 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 311 transitions. [2018-07-23 13:49:20,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-07-23 13:49:20,919 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:20,919 INFO L357 BasicCegarLoop]: trace histogram [154, 153, 1, 1, 1] [2018-07-23 13:49:20,919 INFO L414 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:20,919 INFO L82 PathProgramCache]: Analyzing trace with hash 819215857, now seen corresponding path program 153 times [2018-07-23 13:49:20,919 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 23562 backedges. 0 proven. 23562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:22,405 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:22,405 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:49:22,406 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:22,406 INFO L185 omatonBuilderFactory]: Interpolants [110081#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 110080#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 110083#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 110082#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 110085#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 110084#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 110087#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 110086#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 110089#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 110088#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 110091#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 110090#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 110093#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 110092#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 110095#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 110094#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 110097#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 110096#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 110099#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 110098#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 110101#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 110100#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 110103#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 110102#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 110105#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 110104#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 110107#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 110106#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 110109#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 110108#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 110111#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 110110#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 110113#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 110112#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 110115#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 110114#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 110117#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 110116#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 110119#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 110118#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 110121#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 110120#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 110123#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 110122#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 110125#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 110124#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 110127#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 110126#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 110129#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 110128#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 110131#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 110130#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 110133#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 110132#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 110135#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 110134#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 110137#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 110136#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 110139#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 110138#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 110141#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 110140#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 110143#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 110142#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 110145#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 110144#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 110147#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 110146#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 110149#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 110148#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 110151#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 110150#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 110153#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 110152#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 110155#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 110154#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 110157#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 110156#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 110159#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 110158#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 110161#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 110160#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 110163#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 110162#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 110165#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 110164#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 110167#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294)), 110166#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 110169#(and (<= ULTIMATE.start_main_~x~5 298) (<= 298 ULTIMATE.start_main_~x~5)), 110168#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296)), 110171#(and (<= ULTIMATE.start_main_~x~5 302) (<= 302 ULTIMATE.start_main_~x~5)), 110170#(and (<= 300 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 300)), 110173#(and (<= ULTIMATE.start_main_~x~5 306) (<= 306 ULTIMATE.start_main_~x~5)), 110172#(and (<= 304 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 304)), 110019#false, 110018#true, 110021#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 110020#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 110023#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 110022#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 110025#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 110024#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 110027#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 110026#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 110029#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 110028#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 110031#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 110030#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 110033#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 110032#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 110035#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 110034#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 110037#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 110036#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 110039#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 110038#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 110041#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 110040#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 110043#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 110042#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 110045#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 110044#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 110047#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 110046#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 110049#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 110048#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 110051#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 110050#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 110053#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 110052#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 110055#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 110054#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 110057#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 110056#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 110059#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 110058#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 110061#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 110060#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 110063#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 110062#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 110065#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 110064#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 110067#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 110066#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 110069#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 110068#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 110071#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 110070#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 110073#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 110072#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 110075#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 110074#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 110077#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 110076#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 110079#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 110078#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116))] [2018-07-23 13:49:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 23562 backedges. 0 proven. 23562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:22,407 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:49:22,408 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:49:22,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=23871, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:49:22,409 INFO L87 Difference]: Start difference. First operand 311 states and 311 transitions. Second operand 156 states. [2018-07-23 13:49:24,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:24,558 INFO L93 Difference]: Finished difference Result 315 states and 315 transitions. [2018-07-23 13:49:24,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2018-07-23 13:49:24,558 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 310 [2018-07-23 13:49:24,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:24,559 INFO L225 Difference]: With dead ends: 315 [2018-07-23 13:49:24,559 INFO L226 Difference]: Without dead ends: 313 [2018-07-23 13:49:24,560 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=309, Invalid=23871, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:49:24,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-07-23 13:49:24,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2018-07-23 13:49:24,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2018-07-23 13:49:24,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 313 transitions. [2018-07-23 13:49:24,568 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 313 transitions. Word has length 310 [2018-07-23 13:49:24,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:24,568 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 313 transitions. [2018-07-23 13:49:24,568 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:49:24,568 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 313 transitions. [2018-07-23 13:49:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-07-23 13:49:24,569 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:24,569 INFO L357 BasicCegarLoop]: trace histogram [155, 154, 1, 1, 1] [2018-07-23 13:49:24,569 INFO L414 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:24,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1287475499, now seen corresponding path program 154 times [2018-07-23 13:49:24,569 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:25,895 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:25,896 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:25,896 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:49:25,896 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:25,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:25,897 INFO L185 omatonBuilderFactory]: Interpolants [111431#false, 111430#true, 111433#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 111432#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 111435#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 111434#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 111437#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 111436#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 111439#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 111438#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 111441#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 111440#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 111443#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 111442#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 111445#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 111444#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 111447#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 111446#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 111449#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 111448#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 111451#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 111450#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 111453#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 111452#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 111455#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 111454#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 111457#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 111456#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 111459#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 111458#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 111461#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 111460#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 111463#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 111462#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 111465#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 111464#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 111467#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 111466#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 111469#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 111468#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 111471#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 111470#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 111473#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 111472#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 111475#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 111474#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 111477#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 111476#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 111479#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 111478#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 111481#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 111480#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 111483#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 111482#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 111485#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 111484#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 111487#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 111486#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 111489#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 111488#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 111491#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 111490#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 111493#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 111492#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 111495#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 111494#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 111497#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 111496#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 111499#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 111498#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 111501#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 111500#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 111503#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 111502#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 111505#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 111504#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 111507#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 111506#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 111509#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 111508#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 111511#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 111510#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 111513#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 111512#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 111515#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 111514#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 111517#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 111516#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 111519#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 111518#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 111521#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 111520#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 111523#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 111522#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 111525#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 111524#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 111527#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 111526#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 111529#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 111528#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 111531#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 111530#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 111533#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 111532#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 111535#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 111534#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 111537#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 111536#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 111539#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 111538#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 111541#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 111540#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 111543#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 111542#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 111545#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 111544#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 111547#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 111546#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 111549#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 111548#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 111551#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 111550#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 111553#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 111552#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 111555#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 111554#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 111557#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 111556#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 111559#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 111558#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 111561#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 111560#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 111563#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 111562#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 111565#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 111564#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 111567#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 111566#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 111569#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 111568#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 111571#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 111570#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 111573#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 111572#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 111575#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 111574#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 111577#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 111576#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 111579#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294)), 111578#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 111581#(and (<= ULTIMATE.start_main_~x~5 298) (<= 298 ULTIMATE.start_main_~x~5)), 111580#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296)), 111583#(and (<= ULTIMATE.start_main_~x~5 302) (<= 302 ULTIMATE.start_main_~x~5)), 111582#(and (<= 300 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 300)), 111585#(and (<= ULTIMATE.start_main_~x~5 306) (<= 306 ULTIMATE.start_main_~x~5)), 111584#(and (<= 304 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 304)), 111586#(and (<= 308 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 308))] [2018-07-23 13:49:25,898 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:25,898 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:49:25,898 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:49:25,899 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=24181, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:49:25,899 INFO L87 Difference]: Start difference. First operand 313 states and 313 transitions. Second operand 157 states. [2018-07-23 13:49:28,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:28,001 INFO L93 Difference]: Finished difference Result 317 states and 317 transitions. [2018-07-23 13:49:28,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:49:28,001 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 312 [2018-07-23 13:49:28,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:28,002 INFO L225 Difference]: With dead ends: 317 [2018-07-23 13:49:28,002 INFO L226 Difference]: Without dead ends: 315 [2018-07-23 13:49:28,002 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=311, Invalid=24181, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:49:28,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-07-23 13:49:28,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2018-07-23 13:49:28,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-07-23 13:49:28,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 315 transitions. [2018-07-23 13:49:28,014 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 315 transitions. Word has length 312 [2018-07-23 13:49:28,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:28,015 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 315 transitions. [2018-07-23 13:49:28,015 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:49:28,015 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 315 transitions. [2018-07-23 13:49:28,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-07-23 13:49:28,016 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:28,016 INFO L357 BasicCegarLoop]: trace histogram [156, 155, 1, 1, 1] [2018-07-23 13:49:28,016 INFO L414 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:28,017 INFO L82 PathProgramCache]: Analyzing trace with hash 313425381, now seen corresponding path program 155 times [2018-07-23 13:49:28,017 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:29,686 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:29,686 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [157] total 157 [2018-07-23 13:49:29,686 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:29,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:29,687 INFO L185 omatonBuilderFactory]: Interpolants [112897#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 112896#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 112899#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 112898#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 112901#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 112900#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 112903#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 112902#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 112905#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 112904#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 112907#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 112906#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 112909#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 112908#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 112911#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 112910#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 112913#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 112912#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 112915#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 112914#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 112917#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 112916#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 112919#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 112918#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 112921#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 112920#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 112923#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 112922#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 112925#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 112924#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 112927#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 112926#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 112929#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 112928#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 112931#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 112930#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 112933#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 112932#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 112935#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 112934#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 112937#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 112936#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 112939#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 112938#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 112941#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 112940#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 112943#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 112942#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 112945#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 112944#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 112947#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 112946#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 112949#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 112948#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 112951#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 112950#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 112953#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 112952#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 112955#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 112954#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 112957#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 112956#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 112959#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 112958#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 112961#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 112960#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 112963#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 112962#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 112965#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 112964#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 112967#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 112966#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 112969#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 112968#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 112971#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 112970#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 112973#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 112972#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 112975#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 112974#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 112977#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 112976#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 112979#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 112978#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 112981#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 112980#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 112983#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 112982#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 112985#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 112984#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 112987#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 112986#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 112989#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 112988#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 112991#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 112990#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 112993#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 112992#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 112995#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 112994#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 112997#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 112996#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 112999#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 112998#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 113001#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296)), 113000#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294)), 113003#(and (<= 300 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 300)), 113002#(and (<= ULTIMATE.start_main_~x~5 298) (<= 298 ULTIMATE.start_main_~x~5)), 113005#(and (<= 304 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 304)), 113004#(and (<= ULTIMATE.start_main_~x~5 302) (<= 302 ULTIMATE.start_main_~x~5)), 113007#(and (<= 308 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 308)), 113006#(and (<= ULTIMATE.start_main_~x~5 306) (<= 306 ULTIMATE.start_main_~x~5)), 113008#(and (<= ULTIMATE.start_main_~x~5 310) (<= 310 ULTIMATE.start_main_~x~5)), 112851#true, 112853#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 112852#false, 112855#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 112854#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 112857#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 112856#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 112859#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 112858#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 112861#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 112860#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 112863#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 112862#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 112865#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 112864#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 112867#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 112866#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 112869#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 112868#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 112871#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 112870#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 112873#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 112872#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 112875#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 112874#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 112877#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 112876#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 112879#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 112878#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 112881#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 112880#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 112883#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 112882#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 112885#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 112884#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 112887#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 112886#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 112889#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 112888#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 112891#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 112890#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 112893#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 112892#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 112895#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 112894#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82))] [2018-07-23 13:49:29,689 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:29,689 INFO L450 AbstractCegarLoop]: Interpolant automaton has 158 states [2018-07-23 13:49:29,689 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2018-07-23 13:49:29,691 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=24493, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:49:29,691 INFO L87 Difference]: Start difference. First operand 315 states and 315 transitions. Second operand 158 states. [2018-07-23 13:49:31,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:31,961 INFO L93 Difference]: Finished difference Result 319 states and 319 transitions. [2018-07-23 13:49:31,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2018-07-23 13:49:31,961 INFO L78 Accepts]: Start accepts. Automaton has 158 states. Word has length 314 [2018-07-23 13:49:31,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:31,961 INFO L225 Difference]: With dead ends: 319 [2018-07-23 13:49:31,962 INFO L226 Difference]: Without dead ends: 317 [2018-07-23 13:49:31,963 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=313, Invalid=24493, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:49:31,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-07-23 13:49:31,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-07-23 13:49:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-07-23 13:49:31,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 317 transitions. [2018-07-23 13:49:31,971 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 317 transitions. Word has length 314 [2018-07-23 13:49:31,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:31,972 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 317 transitions. [2018-07-23 13:49:31,972 INFO L472 AbstractCegarLoop]: Interpolant automaton has 158 states. [2018-07-23 13:49:31,972 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 317 transitions. [2018-07-23 13:49:31,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-07-23 13:49:31,973 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:31,973 INFO L357 BasicCegarLoop]: trace histogram [157, 156, 1, 1, 1] [2018-07-23 13:49:31,973 INFO L414 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:31,973 INFO L82 PathProgramCache]: Analyzing trace with hash 554132511, now seen corresponding path program 156 times [2018-07-23 13:49:31,973 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 0 proven. 24492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:33,492 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:33,492 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:49:33,492 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:33,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:33,493 INFO L185 omatonBuilderFactory]: Interpolants [114433#(and (<= 300 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 300)), 114432#(and (<= ULTIMATE.start_main_~x~5 298) (<= 298 ULTIMATE.start_main_~x~5)), 114435#(and (<= 304 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 304)), 114434#(and (<= ULTIMATE.start_main_~x~5 302) (<= 302 ULTIMATE.start_main_~x~5)), 114437#(and (<= 308 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 308)), 114436#(and (<= ULTIMATE.start_main_~x~5 306) (<= 306 ULTIMATE.start_main_~x~5)), 114439#(and (<= 312 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 312)), 114438#(and (<= ULTIMATE.start_main_~x~5 310) (<= 310 ULTIMATE.start_main_~x~5)), 114281#true, 114283#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 114282#false, 114285#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 114284#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 114287#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 114286#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 114289#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 114288#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 114291#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 114290#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 114293#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 114292#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 114295#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 114294#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 114297#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 114296#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 114299#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 114298#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 114301#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 114300#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 114303#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 114302#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 114305#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 114304#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 114307#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 114306#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 114309#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 114308#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 114311#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 114310#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 114313#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 114312#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 114315#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 114314#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 114317#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 114316#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 114319#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 114318#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 114321#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 114320#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 114323#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 114322#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 114325#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 114324#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 114327#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 114326#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 114329#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 114328#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 114331#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 114330#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 114333#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 114332#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 114335#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 114334#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 114337#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 114336#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 114339#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 114338#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 114341#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 114340#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 114343#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 114342#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 114345#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 114344#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 114347#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 114346#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 114349#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 114348#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 114351#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 114350#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 114353#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 114352#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 114355#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 114354#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 114357#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 114356#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 114359#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 114358#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 114361#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 114360#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 114363#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 114362#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 114365#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 114364#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 114367#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 114366#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 114369#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 114368#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 114371#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 114370#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 114373#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 114372#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 114375#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 114374#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 114377#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 114376#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 114379#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 114378#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 114381#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 114380#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 114383#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 114382#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 114385#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 114384#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 114387#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 114386#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 114389#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 114388#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 114391#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 114390#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 114393#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 114392#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 114395#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 114394#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 114397#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 114396#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 114399#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 114398#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 114401#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 114400#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 114403#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 114402#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 114405#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 114404#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 114407#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 114406#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 114409#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 114408#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 114411#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 114410#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 114413#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 114412#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 114415#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 114414#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 114417#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 114416#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 114419#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 114418#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 114421#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 114420#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 114423#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 114422#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 114425#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 114424#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 114427#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 114426#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 114429#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 114428#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 114431#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296)), 114430#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294))] [2018-07-23 13:49:33,494 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 0 proven. 24492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:33,494 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:49:33,494 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:49:33,496 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=24807, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:49:33,496 INFO L87 Difference]: Start difference. First operand 317 states and 317 transitions. Second operand 159 states. [2018-07-23 13:49:35,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:35,746 INFO L93 Difference]: Finished difference Result 321 states and 321 transitions. [2018-07-23 13:49:35,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:49:35,746 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 316 [2018-07-23 13:49:35,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:35,747 INFO L225 Difference]: With dead ends: 321 [2018-07-23 13:49:35,747 INFO L226 Difference]: Without dead ends: 319 [2018-07-23 13:49:35,749 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=315, Invalid=24807, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:49:35,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-07-23 13:49:35,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2018-07-23 13:49:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-07-23 13:49:35,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 319 transitions. [2018-07-23 13:49:35,757 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 319 transitions. Word has length 316 [2018-07-23 13:49:35,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:35,757 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 319 transitions. [2018-07-23 13:49:35,758 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:49:35,758 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 319 transitions. [2018-07-23 13:49:35,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-07-23 13:49:35,758 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:35,759 INFO L357 BasicCegarLoop]: trace histogram [158, 157, 1, 1, 1] [2018-07-23 13:49:35,759 INFO L414 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:35,759 INFO L82 PathProgramCache]: Analyzing trace with hash -54549543, now seen corresponding path program 157 times [2018-07-23 13:49:35,759 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:37,401 INFO L134 CoverageAnalysis]: Checked inductivity of 24806 backedges. 0 proven. 24806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:37,402 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:37,402 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:49:37,402 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:37,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:37,403 INFO L185 omatonBuilderFactory]: Interpolants [115721#false, 115720#true, 115723#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 115722#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 115725#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 115724#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 115727#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 115726#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 115729#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 115728#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 115731#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 115730#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 115733#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 115732#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 115735#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 115734#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 115737#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 115736#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 115739#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 115738#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 115741#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 115740#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 115743#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 115742#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 115745#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 115744#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 115747#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 115746#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 115749#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 115748#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 115751#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 115750#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 115753#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 115752#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 115755#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 115754#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 115757#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 115756#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 115759#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 115758#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 115761#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 115760#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 115763#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 115762#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 115765#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 115764#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 115767#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 115766#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 115769#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 115768#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 115771#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 115770#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 115773#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 115772#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 115775#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 115774#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 115777#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 115776#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 115779#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 115778#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 115781#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 115780#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 115783#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 115782#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 115785#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 115784#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 115787#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 115786#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 115789#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 115788#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 115791#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 115790#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 115793#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 115792#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 115795#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 115794#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 115797#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 115796#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 115799#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 115798#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 115801#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 115800#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 115803#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 115802#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 115805#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 115804#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 115807#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 115806#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 115809#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 115808#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 115811#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 115810#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 115813#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 115812#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 115815#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 115814#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 115817#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 115816#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 115819#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 115818#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 115821#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 115820#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 115823#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 115822#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 115825#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 115824#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 115827#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 115826#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 115829#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 115828#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 115831#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 115830#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 115833#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 115832#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 115835#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 115834#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 115837#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 115836#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 115839#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 115838#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 115841#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 115840#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 115843#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 115842#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 115845#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 115844#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 115847#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 115846#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 115849#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 115848#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 115851#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 115850#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 115853#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 115852#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 115855#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 115854#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 115857#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 115856#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 115859#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 115858#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 115861#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 115860#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 115863#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 115862#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 115865#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 115864#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 115867#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 115866#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 115869#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294)), 115868#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 115871#(and (<= ULTIMATE.start_main_~x~5 298) (<= 298 ULTIMATE.start_main_~x~5)), 115870#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296)), 115873#(and (<= ULTIMATE.start_main_~x~5 302) (<= 302 ULTIMATE.start_main_~x~5)), 115872#(and (<= 300 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 300)), 115875#(and (<= ULTIMATE.start_main_~x~5 306) (<= 306 ULTIMATE.start_main_~x~5)), 115874#(and (<= 304 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 304)), 115877#(and (<= ULTIMATE.start_main_~x~5 310) (<= 310 ULTIMATE.start_main_~x~5)), 115876#(and (<= 308 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 308)), 115879#(and (<= 314 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 314)), 115878#(and (<= 312 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 312))] [2018-07-23 13:49:37,404 INFO L134 CoverageAnalysis]: Checked inductivity of 24806 backedges. 0 proven. 24806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:37,404 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:49:37,404 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:49:37,406 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=25123, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:49:37,406 INFO L87 Difference]: Start difference. First operand 319 states and 319 transitions. Second operand 160 states. [2018-07-23 13:49:39,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:39,667 INFO L93 Difference]: Finished difference Result 323 states and 323 transitions. [2018-07-23 13:49:39,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2018-07-23 13:49:39,668 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 318 [2018-07-23 13:49:39,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:39,668 INFO L225 Difference]: With dead ends: 323 [2018-07-23 13:49:39,669 INFO L226 Difference]: Without dead ends: 321 [2018-07-23 13:49:39,670 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=317, Invalid=25123, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:49:39,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-07-23 13:49:39,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-07-23 13:49:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-07-23 13:49:39,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 321 transitions. [2018-07-23 13:49:39,678 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 321 transitions. Word has length 318 [2018-07-23 13:49:39,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:39,678 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 321 transitions. [2018-07-23 13:49:39,678 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:49:39,679 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 321 transitions. [2018-07-23 13:49:39,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-07-23 13:49:39,679 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:39,680 INFO L357 BasicCegarLoop]: trace histogram [159, 158, 1, 1, 1] [2018-07-23 13:49:39,680 INFO L414 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:39,680 INFO L82 PathProgramCache]: Analyzing trace with hash -882451181, now seen corresponding path program 158 times [2018-07-23 13:49:39,680 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:41,369 INFO L134 CoverageAnalysis]: Checked inductivity of 25122 backedges. 0 proven. 25122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:41,370 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:41,370 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:49:41,370 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:41,371 INFO L185 omatonBuilderFactory]: Interpolants [117249#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 117248#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 117251#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 117250#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 117253#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 117252#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 117255#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 117254#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 117257#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 117256#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 117259#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 117258#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 117261#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 117260#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 117263#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 117262#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 117265#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 117264#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 117267#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 117266#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 117269#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 117268#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 117271#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 117270#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 117273#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 117272#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 117275#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 117274#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 117277#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 117276#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 117279#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 117278#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 117281#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 117280#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 117283#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 117282#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 117285#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 117284#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 117287#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 117286#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 117289#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 117288#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 117291#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 117290#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 117293#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 117292#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 117295#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 117294#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 117297#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 117296#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 117299#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 117298#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 117301#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 117300#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 117303#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 117302#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 117305#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 117304#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 117307#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 117306#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 117309#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 117308#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 117311#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 117310#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 117313#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 117312#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 117315#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 117314#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 117317#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294)), 117316#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 117319#(and (<= ULTIMATE.start_main_~x~5 298) (<= 298 ULTIMATE.start_main_~x~5)), 117318#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296)), 117321#(and (<= ULTIMATE.start_main_~x~5 302) (<= 302 ULTIMATE.start_main_~x~5)), 117320#(and (<= 300 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 300)), 117323#(and (<= ULTIMATE.start_main_~x~5 306) (<= 306 ULTIMATE.start_main_~x~5)), 117322#(and (<= 304 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 304)), 117325#(and (<= ULTIMATE.start_main_~x~5 310) (<= 310 ULTIMATE.start_main_~x~5)), 117324#(and (<= 308 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 308)), 117327#(and (<= 314 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 314)), 117326#(and (<= 312 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 312)), 117328#(and (<= 316 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 316)), 117169#false, 117168#true, 117171#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 117170#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 117173#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 117172#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 117175#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 117174#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 117177#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 117176#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 117179#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 117178#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 117181#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 117180#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 117183#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 117182#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 117185#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 117184#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 117187#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 117186#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 117189#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 117188#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 117191#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 117190#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 117193#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 117192#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 117195#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 117194#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 117197#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 117196#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 117199#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 117198#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 117201#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 117200#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 117203#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 117202#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 117205#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 117204#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 117207#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 117206#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 117209#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 117208#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 117211#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 117210#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 117213#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 117212#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 117215#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 117214#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 117217#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 117216#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 117219#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 117218#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 117221#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 117220#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 117223#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 117222#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 117225#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 117224#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 117227#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 117226#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 117229#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 117228#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 117231#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 117230#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 117233#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 117232#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 117235#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 117234#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 117237#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 117236#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 117239#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 117238#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 117241#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 117240#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 117243#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 117242#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 117245#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 117244#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 117247#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 117246#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5))] [2018-07-23 13:49:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 25122 backedges. 0 proven. 25122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:41,373 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:49:41,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:49:41,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=25441, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:49:41,375 INFO L87 Difference]: Start difference. First operand 321 states and 321 transitions. Second operand 161 states. [2018-07-23 13:49:43,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:43,661 INFO L93 Difference]: Finished difference Result 325 states and 325 transitions. [2018-07-23 13:49:43,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:49:43,661 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 320 [2018-07-23 13:49:43,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:43,662 INFO L225 Difference]: With dead ends: 325 [2018-07-23 13:49:43,662 INFO L226 Difference]: Without dead ends: 323 [2018-07-23 13:49:43,664 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=319, Invalid=25441, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:49:43,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-07-23 13:49:43,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2018-07-23 13:49:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-07-23 13:49:43,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 323 transitions. [2018-07-23 13:49:43,672 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 323 transitions. Word has length 320 [2018-07-23 13:49:43,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:43,672 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 323 transitions. [2018-07-23 13:49:43,672 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:49:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 323 transitions. [2018-07-23 13:49:43,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-07-23 13:49:43,673 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:43,673 INFO L357 BasicCegarLoop]: trace histogram [160, 159, 1, 1, 1] [2018-07-23 13:49:43,673 INFO L414 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:43,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1926975539, now seen corresponding path program 159 times [2018-07-23 13:49:43,673 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:45,246 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 25440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:45,246 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:45,246 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [161] total 161 [2018-07-23 13:49:45,247 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:45,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:45,247 INFO L185 omatonBuilderFactory]: Interpolants [118785#(and (<= 316 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 316)), 118784#(and (<= 314 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 314)), 118786#(and (<= 318 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 318)), 118625#true, 118627#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 118626#false, 118629#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 118628#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 118631#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 118630#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 118633#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 118632#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 118635#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 118634#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 118637#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 118636#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 118639#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 118638#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 118641#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 118640#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 118643#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 118642#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 118645#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 118644#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 118647#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 118646#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 118649#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 118648#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 118651#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 118650#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 118653#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 118652#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 118655#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 118654#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 118657#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 118656#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 118659#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 118658#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 118661#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 118660#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 118663#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 118662#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 118665#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 118664#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 118667#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 118666#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 118669#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 118668#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 118671#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 118670#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 118673#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 118672#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 118675#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 118674#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 118677#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 118676#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 118679#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 118678#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 118681#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 118680#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 118683#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 118682#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 118685#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 118684#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 118687#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 118686#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 118689#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 118688#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 118691#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 118690#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 118693#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 118692#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 118695#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 118694#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 118697#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 118696#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 118699#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 118698#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 118701#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 118700#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 118703#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 118702#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 118705#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 118704#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 118707#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 118706#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 118709#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 118708#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 118711#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 118710#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 118713#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 118712#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 118715#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 118714#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 118717#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 118716#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 118719#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 118718#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 118721#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 118720#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 118723#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 118722#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 118725#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 118724#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 118727#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 118726#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 118729#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 118728#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 118731#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 118730#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 118733#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 118732#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 118735#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 118734#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 118737#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 118736#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 118739#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 118738#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 118741#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 118740#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 118743#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 118742#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 118745#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 118744#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 118747#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 118746#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 118749#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 118748#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 118751#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 118750#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 118753#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 118752#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 118755#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 118754#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 118757#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 118756#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 118759#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 118758#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 118761#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 118760#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 118763#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 118762#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 118765#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 118764#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 118767#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 118766#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 118769#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 118768#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 118771#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 118770#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 118773#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 118772#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 118775#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296)), 118774#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294)), 118777#(and (<= 300 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 300)), 118776#(and (<= ULTIMATE.start_main_~x~5 298) (<= 298 ULTIMATE.start_main_~x~5)), 118779#(and (<= 304 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 304)), 118778#(and (<= ULTIMATE.start_main_~x~5 302) (<= 302 ULTIMATE.start_main_~x~5)), 118781#(and (<= 308 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 308)), 118780#(and (<= ULTIMATE.start_main_~x~5 306) (<= 306 ULTIMATE.start_main_~x~5)), 118783#(and (<= 312 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 312)), 118782#(and (<= ULTIMATE.start_main_~x~5 310) (<= 310 ULTIMATE.start_main_~x~5))] [2018-07-23 13:49:45,249 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 25440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:45,249 INFO L450 AbstractCegarLoop]: Interpolant automaton has 162 states [2018-07-23 13:49:45,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2018-07-23 13:49:45,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=25761, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:49:45,250 INFO L87 Difference]: Start difference. First operand 323 states and 323 transitions. Second operand 162 states. [2018-07-23 13:49:47,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:47,578 INFO L93 Difference]: Finished difference Result 327 states and 327 transitions. [2018-07-23 13:49:47,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2018-07-23 13:49:47,579 INFO L78 Accepts]: Start accepts. Automaton has 162 states. Word has length 322 [2018-07-23 13:49:47,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:47,579 INFO L225 Difference]: With dead ends: 327 [2018-07-23 13:49:47,579 INFO L226 Difference]: Without dead ends: 325 [2018-07-23 13:49:47,581 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=321, Invalid=25761, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:49:47,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-07-23 13:49:47,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2018-07-23 13:49:47,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-07-23 13:49:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 325 transitions. [2018-07-23 13:49:47,590 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 325 transitions. Word has length 322 [2018-07-23 13:49:47,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:47,590 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 325 transitions. [2018-07-23 13:49:47,590 INFO L472 AbstractCegarLoop]: Interpolant automaton has 162 states. [2018-07-23 13:49:47,590 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 325 transitions. [2018-07-23 13:49:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-07-23 13:49:47,591 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:47,591 INFO L357 BasicCegarLoop]: trace histogram [161, 160, 1, 1, 1] [2018-07-23 13:49:47,591 INFO L414 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:47,591 INFO L82 PathProgramCache]: Analyzing trace with hash -692536313, now seen corresponding path program 160 times [2018-07-23 13:49:47,592 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 25760 backedges. 0 proven. 25760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:49,290 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:49,290 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:49:49,290 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:49,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:49,291 INFO L185 omatonBuilderFactory]: Interpolants [120091#true, 120093#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 120092#false, 120095#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 120094#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 120097#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 120096#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 120099#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 120098#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 120101#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 120100#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 120103#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 120102#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 120105#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 120104#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 120107#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 120106#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 120109#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 120108#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 120111#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 120110#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 120113#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 120112#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 120115#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 120114#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 120117#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 120116#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 120119#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 120118#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 120121#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 120120#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 120123#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5)), 120122#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 120125#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 120124#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 120127#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 120126#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 120129#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 120128#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 120131#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 120130#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 120133#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 120132#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 120135#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 120134#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 120137#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 120136#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 120139#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 120138#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 120141#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 120140#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 120143#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 120142#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 120145#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 120144#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 120147#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 120146#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 120149#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 120148#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 120151#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 120150#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 120153#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 120152#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 120155#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 120154#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 120157#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 120156#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 120159#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 120158#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 120161#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 120160#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 120163#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 120162#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 120165#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 120164#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 120167#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 120166#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 120169#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 120168#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 120171#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 120170#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 120173#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 120172#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 120175#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 120174#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 120177#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 120176#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 120179#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 120178#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 120181#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 120180#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 120183#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 120182#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 120185#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 120184#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 120187#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 120186#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 120189#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 120188#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 120191#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 120190#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 120193#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 120192#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 120195#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 120194#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 120197#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 120196#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 120199#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 120198#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 120201#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 120200#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 120203#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 120202#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 120205#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 120204#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 120207#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 120206#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 120209#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 120208#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 120211#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 120210#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 120213#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 120212#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 120215#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 120214#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 120217#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 120216#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 120219#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 120218#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 120221#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 120220#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 120223#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 120222#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 120225#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 120224#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 120227#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 120226#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 120229#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 120228#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 120231#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 120230#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 120233#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 120232#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 120235#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 120234#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 120237#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 120236#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 120239#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 120238#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 120241#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296)), 120240#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294)), 120243#(and (<= 300 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 300)), 120242#(and (<= ULTIMATE.start_main_~x~5 298) (<= 298 ULTIMATE.start_main_~x~5)), 120245#(and (<= 304 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 304)), 120244#(and (<= ULTIMATE.start_main_~x~5 302) (<= 302 ULTIMATE.start_main_~x~5)), 120247#(and (<= 308 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 308)), 120246#(and (<= ULTIMATE.start_main_~x~5 306) (<= 306 ULTIMATE.start_main_~x~5)), 120249#(and (<= 312 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 312)), 120248#(and (<= ULTIMATE.start_main_~x~5 310) (<= 310 ULTIMATE.start_main_~x~5)), 120251#(and (<= 316 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 316)), 120250#(and (<= 314 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 314)), 120253#(and (<= 320 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 320)), 120252#(and (<= 318 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 318))] [2018-07-23 13:49:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 25760 backedges. 0 proven. 25760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:49,292 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:49:49,293 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:49:49,293 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=26083, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:49:49,294 INFO L87 Difference]: Start difference. First operand 325 states and 325 transitions. Second operand 163 states. [2018-07-23 13:49:51,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:51,559 INFO L93 Difference]: Finished difference Result 329 states and 329 transitions. [2018-07-23 13:49:51,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:49:51,559 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 324 [2018-07-23 13:49:51,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:51,560 INFO L225 Difference]: With dead ends: 329 [2018-07-23 13:49:51,560 INFO L226 Difference]: Without dead ends: 327 [2018-07-23 13:49:51,561 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=323, Invalid=26083, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:49:51,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-07-23 13:49:51,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2018-07-23 13:49:51,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-07-23 13:49:51,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 327 transitions. [2018-07-23 13:49:51,570 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 327 transitions. Word has length 324 [2018-07-23 13:49:51,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:51,570 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 327 transitions. [2018-07-23 13:49:51,570 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:49:51,570 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 327 transitions. [2018-07-23 13:49:51,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-07-23 13:49:51,571 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:51,571 INFO L357 BasicCegarLoop]: trace histogram [162, 161, 1, 1, 1] [2018-07-23 13:49:51,571 INFO L414 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:51,571 INFO L82 PathProgramCache]: Analyzing trace with hash 192586177, now seen corresponding path program 161 times [2018-07-23 13:49:51,571 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:53,279 INFO L134 CoverageAnalysis]: Checked inductivity of 26082 backedges. 0 proven. 26082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:53,279 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:53,279 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:49:53,280 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:53,280 INFO L185 omatonBuilderFactory]: Interpolants [121601#(and (<= 66 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 66)), 121600#(and (<= ULTIMATE.start_main_~x~5 64) (<= 64 ULTIMATE.start_main_~x~5)), 121603#(and (<= ULTIMATE.start_main_~x~5 70) (<= 70 ULTIMATE.start_main_~x~5)), 121602#(and (<= ULTIMATE.start_main_~x~5 68) (<= 68 ULTIMATE.start_main_~x~5)), 121605#(and (<= ULTIMATE.start_main_~x~5 74) (<= 74 ULTIMATE.start_main_~x~5)), 121604#(and (<= ULTIMATE.start_main_~x~5 72) (<= 72 ULTIMATE.start_main_~x~5)), 121607#(and (<= 78 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 78)), 121606#(and (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)), 121609#(and (<= 82 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 82)), 121608#(and (<= ULTIMATE.start_main_~x~5 80) (<= 80 ULTIMATE.start_main_~x~5)), 121611#(and (<= 86 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 86)), 121610#(and (<= 84 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 84)), 121613#(and (<= 90 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 90)), 121612#(and (<= 88 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 88)), 121615#(and (<= ULTIMATE.start_main_~x~5 94) (<= 94 ULTIMATE.start_main_~x~5)), 121614#(and (<= 92 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 92)), 121617#(and (<= ULTIMATE.start_main_~x~5 98) (<= 98 ULTIMATE.start_main_~x~5)), 121616#(and (<= ULTIMATE.start_main_~x~5 96) (<= 96 ULTIMATE.start_main_~x~5)), 121619#(and (<= 102 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 102)), 121618#(and (<= 100 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 100)), 121621#(and (<= 106 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 106)), 121620#(and (<= 104 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 104)), 121623#(and (<= 110 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 110)), 121622#(and (<= 108 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 108)), 121625#(and (<= ULTIMATE.start_main_~x~5 114) (<= 114 ULTIMATE.start_main_~x~5)), 121624#(and (<= ULTIMATE.start_main_~x~5 112) (<= 112 ULTIMATE.start_main_~x~5)), 121627#(and (<= 118 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 118)), 121626#(and (<= 116 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 116)), 121629#(and (<= ULTIMATE.start_main_~x~5 122) (<= 122 ULTIMATE.start_main_~x~5)), 121628#(and (<= ULTIMATE.start_main_~x~5 120) (<= 120 ULTIMATE.start_main_~x~5)), 121631#(and (<= 126 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 126)), 121630#(and (<= ULTIMATE.start_main_~x~5 124) (<= 124 ULTIMATE.start_main_~x~5)), 121633#(and (<= 130 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 130)), 121632#(and (<= ULTIMATE.start_main_~x~5 128) (<= 128 ULTIMATE.start_main_~x~5)), 121635#(and (<= ULTIMATE.start_main_~x~5 134) (<= 134 ULTIMATE.start_main_~x~5)), 121634#(and (<= 132 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 132)), 121637#(and (<= ULTIMATE.start_main_~x~5 138) (<= 138 ULTIMATE.start_main_~x~5)), 121636#(and (<= ULTIMATE.start_main_~x~5 136) (<= 136 ULTIMATE.start_main_~x~5)), 121639#(and (<= ULTIMATE.start_main_~x~5 142) (<= 142 ULTIMATE.start_main_~x~5)), 121638#(and (<= ULTIMATE.start_main_~x~5 140) (<= 140 ULTIMATE.start_main_~x~5)), 121641#(and (<= ULTIMATE.start_main_~x~5 146) (<= 146 ULTIMATE.start_main_~x~5)), 121640#(and (<= ULTIMATE.start_main_~x~5 144) (<= 144 ULTIMATE.start_main_~x~5)), 121643#(and (<= ULTIMATE.start_main_~x~5 150) (<= 150 ULTIMATE.start_main_~x~5)), 121642#(and (<= 148 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 148)), 121645#(and (<= ULTIMATE.start_main_~x~5 154) (<= 154 ULTIMATE.start_main_~x~5)), 121644#(and (<= ULTIMATE.start_main_~x~5 152) (<= 152 ULTIMATE.start_main_~x~5)), 121647#(and (<= ULTIMATE.start_main_~x~5 158) (<= 158 ULTIMATE.start_main_~x~5)), 121646#(and (<= ULTIMATE.start_main_~x~5 156) (<= 156 ULTIMATE.start_main_~x~5)), 121649#(and (<= ULTIMATE.start_main_~x~5 162) (<= 162 ULTIMATE.start_main_~x~5)), 121648#(and (<= 160 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 160)), 121651#(and (<= ULTIMATE.start_main_~x~5 166) (<= 166 ULTIMATE.start_main_~x~5)), 121650#(and (<= ULTIMATE.start_main_~x~5 164) (<= 164 ULTIMATE.start_main_~x~5)), 121653#(and (<= 170 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 170)), 121652#(and (<= 168 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 168)), 121655#(and (<= ULTIMATE.start_main_~x~5 174) (<= 174 ULTIMATE.start_main_~x~5)), 121654#(and (<= 172 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 172)), 121657#(and (<= ULTIMATE.start_main_~x~5 178) (<= 178 ULTIMATE.start_main_~x~5)), 121656#(and (<= ULTIMATE.start_main_~x~5 176) (<= 176 ULTIMATE.start_main_~x~5)), 121659#(and (<= 182 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 182)), 121658#(and (<= 180 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 180)), 121661#(and (<= ULTIMATE.start_main_~x~5 186) (<= 186 ULTIMATE.start_main_~x~5)), 121660#(and (<= 184 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 184)), 121663#(and (<= ULTIMATE.start_main_~x~5 190) (<= 190 ULTIMATE.start_main_~x~5)), 121662#(and (<= 188 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 188)), 121665#(and (<= ULTIMATE.start_main_~x~5 194) (<= 194 ULTIMATE.start_main_~x~5)), 121664#(and (<= ULTIMATE.start_main_~x~5 192) (<= 192 ULTIMATE.start_main_~x~5)), 121667#(and (<= 198 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 198)), 121666#(and (<= ULTIMATE.start_main_~x~5 196) (<= 196 ULTIMATE.start_main_~x~5)), 121669#(and (<= 202 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 202)), 121668#(and (<= ULTIMATE.start_main_~x~5 200) (<= 200 ULTIMATE.start_main_~x~5)), 121671#(and (<= ULTIMATE.start_main_~x~5 206) (<= 206 ULTIMATE.start_main_~x~5)), 121670#(and (<= 204 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 204)), 121673#(and (<= ULTIMATE.start_main_~x~5 210) (<= 210 ULTIMATE.start_main_~x~5)), 121672#(and (<= 208 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 208)), 121675#(and (<= ULTIMATE.start_main_~x~5 214) (<= 214 ULTIMATE.start_main_~x~5)), 121674#(and (<= 212 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 212)), 121677#(and (<= 218 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 218)), 121676#(and (<= 216 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 216)), 121679#(and (<= 222 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 222)), 121678#(and (<= ULTIMATE.start_main_~x~5 220) (<= 220 ULTIMATE.start_main_~x~5)), 121681#(and (<= 226 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 226)), 121680#(and (<= ULTIMATE.start_main_~x~5 224) (<= 224 ULTIMATE.start_main_~x~5)), 121683#(and (<= ULTIMATE.start_main_~x~5 230) (<= 230 ULTIMATE.start_main_~x~5)), 121682#(and (<= 228 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 228)), 121685#(and (<= ULTIMATE.start_main_~x~5 234) (<= 234 ULTIMATE.start_main_~x~5)), 121684#(and (<= 232 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 232)), 121687#(and (<= ULTIMATE.start_main_~x~5 238) (<= 238 ULTIMATE.start_main_~x~5)), 121686#(and (<= ULTIMATE.start_main_~x~5 236) (<= 236 ULTIMATE.start_main_~x~5)), 121689#(and (<= 242 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 242)), 121688#(and (<= ULTIMATE.start_main_~x~5 240) (<= 240 ULTIMATE.start_main_~x~5)), 121691#(and (<= ULTIMATE.start_main_~x~5 246) (<= 246 ULTIMATE.start_main_~x~5)), 121690#(and (<= ULTIMATE.start_main_~x~5 244) (<= 244 ULTIMATE.start_main_~x~5)), 121693#(and (<= 250 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 250)), 121692#(and (<= ULTIMATE.start_main_~x~5 248) (<= 248 ULTIMATE.start_main_~x~5)), 121695#(and (<= ULTIMATE.start_main_~x~5 254) (<= 254 ULTIMATE.start_main_~x~5)), 121694#(and (<= ULTIMATE.start_main_~x~5 252) (<= 252 ULTIMATE.start_main_~x~5)), 121697#(and (<= ULTIMATE.start_main_~x~5 258) (<= 258 ULTIMATE.start_main_~x~5)), 121696#(and (<= ULTIMATE.start_main_~x~5 256) (<= 256 ULTIMATE.start_main_~x~5)), 121699#(and (<= 262 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 262)), 121698#(and (<= ULTIMATE.start_main_~x~5 260) (<= 260 ULTIMATE.start_main_~x~5)), 121701#(and (<= 266 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 266)), 121700#(and (<= 264 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 264)), 121703#(and (<= 270 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 270)), 121702#(and (<= ULTIMATE.start_main_~x~5 268) (<= 268 ULTIMATE.start_main_~x~5)), 121705#(and (<= 274 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 274)), 121704#(and (<= 272 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 272)), 121707#(and (<= 278 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 278)), 121706#(and (<= ULTIMATE.start_main_~x~5 276) (<= 276 ULTIMATE.start_main_~x~5)), 121709#(and (<= ULTIMATE.start_main_~x~5 282) (<= 282 ULTIMATE.start_main_~x~5)), 121708#(and (<= ULTIMATE.start_main_~x~5 280) (<= 280 ULTIMATE.start_main_~x~5)), 121711#(and (<= ULTIMATE.start_main_~x~5 286) (<= 286 ULTIMATE.start_main_~x~5)), 121710#(and (<= 284 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 284)), 121713#(and (<= ULTIMATE.start_main_~x~5 290) (<= 290 ULTIMATE.start_main_~x~5)), 121712#(and (<= 288 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 288)), 121715#(and (<= 294 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 294)), 121714#(and (<= 292 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 292)), 121717#(and (<= ULTIMATE.start_main_~x~5 298) (<= 298 ULTIMATE.start_main_~x~5)), 121716#(and (<= 296 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 296)), 121719#(and (<= ULTIMATE.start_main_~x~5 302) (<= 302 ULTIMATE.start_main_~x~5)), 121718#(and (<= 300 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 300)), 121721#(and (<= ULTIMATE.start_main_~x~5 306) (<= 306 ULTIMATE.start_main_~x~5)), 121720#(and (<= 304 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 304)), 121723#(and (<= ULTIMATE.start_main_~x~5 310) (<= 310 ULTIMATE.start_main_~x~5)), 121722#(and (<= 308 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 308)), 121725#(and (<= 314 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 314)), 121724#(and (<= 312 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 312)), 121727#(and (<= 318 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 318)), 121726#(and (<= 316 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 316)), 121729#(and (<= ULTIMATE.start_main_~x~5 322) (<= 322 ULTIMATE.start_main_~x~5)), 121728#(and (<= 320 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 320)), 121567#false, 121566#true, 121569#(and (<= ULTIMATE.start_main_~x~5 2) (<= 2 ULTIMATE.start_main_~x~5)), 121568#(and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)), 121571#(and (<= 6 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 6)), 121570#(and (<= ULTIMATE.start_main_~x~5 4) (<= 4 ULTIMATE.start_main_~x~5)), 121573#(and (<= ULTIMATE.start_main_~x~5 10) (<= 10 ULTIMATE.start_main_~x~5)), 121572#(and (<= ULTIMATE.start_main_~x~5 8) (<= 8 ULTIMATE.start_main_~x~5)), 121575#(and (<= ULTIMATE.start_main_~x~5 14) (<= 14 ULTIMATE.start_main_~x~5)), 121574#(and (<= 12 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 12)), 121577#(and (<= ULTIMATE.start_main_~x~5 18) (<= 18 ULTIMATE.start_main_~x~5)), 121576#(and (<= ULTIMATE.start_main_~x~5 16) (<= 16 ULTIMATE.start_main_~x~5)), 121579#(and (<= ULTIMATE.start_main_~x~5 22) (<= 22 ULTIMATE.start_main_~x~5)), 121578#(and (<= 20 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 20)), 121581#(and (<= ULTIMATE.start_main_~x~5 26) (<= 26 ULTIMATE.start_main_~x~5)), 121580#(and (<= 24 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 24)), 121583#(and (<= 30 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 30)), 121582#(and (<= ULTIMATE.start_main_~x~5 28) (<= 28 ULTIMATE.start_main_~x~5)), 121585#(and (<= 34 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 34)), 121584#(and (<= ULTIMATE.start_main_~x~5 32) (<= 32 ULTIMATE.start_main_~x~5)), 121587#(and (<= ULTIMATE.start_main_~x~5 38) (<= 38 ULTIMATE.start_main_~x~5)), 121586#(and (<= 36 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 36)), 121589#(and (<= 42 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 42)), 121588#(and (<= ULTIMATE.start_main_~x~5 40) (<= 40 ULTIMATE.start_main_~x~5)), 121591#(and (<= ULTIMATE.start_main_~x~5 46) (<= 46 ULTIMATE.start_main_~x~5)), 121590#(and (<= ULTIMATE.start_main_~x~5 44) (<= 44 ULTIMATE.start_main_~x~5)), 121593#(and (<= ULTIMATE.start_main_~x~5 50) (<= 50 ULTIMATE.start_main_~x~5)), 121592#(and (<= 48 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 48)), 121595#(and (<= 54 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 54)), 121594#(and (<= ULTIMATE.start_main_~x~5 52) (<= 52 ULTIMATE.start_main_~x~5)), 121597#(and (<= 58 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 58)), 121596#(and (<= ULTIMATE.start_main_~x~5 56) (<= 56 ULTIMATE.start_main_~x~5)), 121599#(and (<= ULTIMATE.start_main_~x~5 62) (<= 62 ULTIMATE.start_main_~x~5)), 121598#(and (<= ULTIMATE.start_main_~x~5 60) (<= 60 ULTIMATE.start_main_~x~5))] [2018-07-23 13:49:53,281 INFO L134 CoverageAnalysis]: Checked inductivity of 26082 backedges. 0 proven. 26082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:53,281 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:49:53,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:49:53,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=26407, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:49:53,282 INFO L87 Difference]: Start difference. First operand 327 states and 327 transitions. Second operand 164 states. [2018-07-23 13:49:55,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:55,512 INFO L93 Difference]: Finished difference Result 331 states and 331 transitions. [2018-07-23 13:49:55,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2018-07-23 13:49:55,512 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 326 [2018-07-23 13:49:55,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:55,513 INFO L225 Difference]: With dead ends: 331 [2018-07-23 13:49:55,513 INFO L226 Difference]: Without dead ends: 329 [2018-07-23 13:49:55,515 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=325, Invalid=26407, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:49:55,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-07-23 13:49:55,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2018-07-23 13:49:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-07-23 13:49:55,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 329 transitions. [2018-07-23 13:49:55,525 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 329 transitions. Word has length 326 [2018-07-23 13:49:55,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:55,525 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 329 transitions. [2018-07-23 13:49:55,525 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:49:55,525 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 329 transitions. [2018-07-23 13:49:55,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-07-23 13:49:55,526 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:55,526 INFO L357 BasicCegarLoop]: trace histogram [163, 162, 1, 1, 1] [2018-07-23 13:49:55,526 INFO L414 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:55,526 INFO L82 PathProgramCache]: Analyzing trace with hash 391774459, now seen corresponding path program 162 times [2018-07-23 13:49:55,526 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-07-23 13:49:57,080 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 13:49:57,086 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 13:49:57,086 INFO L202 PluginConnector]: Adding new model functions1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:49:57 BoogieIcfgContainer [2018-07-23 13:49:57,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:49:57,087 INFO L168 Benchmark]: Toolchain (without parser) took 244215.56 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 674.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:49:57,089 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:49:57,089 INFO L168 Benchmark]: Boogie Preprocessor took 53.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 13:49:57,090 INFO L168 Benchmark]: RCFGBuilder took 292.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:49:57,090 INFO L168 Benchmark]: TraceAbstraction took 243865.74 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 664.0 MB. Max. memory is 7.1 GB. [2018-07-23 13:49:57,092 INFO L336 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 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 292.51 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 243865.74 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 664.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 41]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 41). Cancelled while BasicCegarLoop was analyzing trace of length 329 with TraceHistMax 163, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 160 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 243.7s OverallTime, 163 OverallIterations, 163 TraceHistogramMax, 136.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13689 SDtfs, 0 SDslu, 1430326 SDs, 0 SdLazy, 1456731 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 95.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13365 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 13203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 65.5s Time, 0.2s BasicInterpolantAutomatonTime, BiggestAbstraction: size=329occurred in iteration=162, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/1417122 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 162 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 6.0s SatisfiabilityAnalysisTime, 88.6s InterpolantComputationTime, 26730 NumberOfCodeBlocks, 26730 NumberOfCodeBlocksAsserted, 162 NumberOfCheckSat, 26568 ConstructedInterpolants, 0 QuantifiedInterpolants, 40260510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 162 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1417122 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/functions1.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-49-57-106.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/functions1.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-49-57-106.csv Completed graceful shutdown